Living together without marriage — what the law says in IndiaA live-in relationship in India is neither a marriage nor a contract. It is a distinct legal category that Parliament created when it inserted the phrase "relationship in the nature of marriage" into Sections 2(a) and 2(f) of the Protection of Women from Domestic Violence Act, 2005. The Supreme Court in D. Velusamy v D. Patchaiammal, (2010) 10 SCC 469 supplied the four-factor test that distinguishes such a relationship from casual cohabitation, and Indra Sarma v V.K Not marriage, not nothing — the four-factordoctrine the Supreme Court built in Velusamy
[ Everyday Law ]

Living together without marriage — what the law says in India

A live-in relationship in India is neither a marriage nor a contract. It occupies a distinct statutory category that Parliament wrote into the Protection of Women from Domestic Violence Act, 2005 — the "relationship in the nature of marriage" referred to in Sections 2(a) and 2(f). The Supreme Court in D. Velusamy v D. Patchaiammal, (2010) 10 SCC 469 supplied the four-factor test that distinguishes such a relationship from casual cohabitation; Indra Sarma v V.K.V. Sarma, (2013) 15 SCC 755 arranged five categories of live-in arrangements along that test; Badshah v Sou Urmila Badshah Godse, (2014) 1 SCC 188 extended maintenance to a woman who had been duped into a void second marriage. The constitutional baseline — that a consensual live-in between adults is not an offence — was settled in S. Khushboo v Kanniammal, (2010) 5 SCC 600 and reinforced by K.S. Puttaswamy v Union of India, (2017) 10 SCC 1. This guide traces the doctrine, the maintenance and property routes, the position of children, and the questions that 2026 still leaves open.

A live-in relationship is the legal description of two adults of marriageable age who share a household and hold each other out as partners without having undergone a marriage recognised by the personal law applicable to them. Indian law neither created the category nor refuses to recognise it; the category arrived through social practice and Parliament responded in 2005 by drafting the Protection of Women from Domestic Violence Act around a deliberately broad phrase — "relationship in the nature of marriage". The phrase is left undefined in the statute. The Supreme Court in D. Velusamy v D. Patchaiammal, (2010) 10 SCC 469 supplied the operative test, drawing on the common-law tradition of de facto marriage. A "relationship in the nature of marriage" requires four cumulative elements — the parties must hold themselves out to society as akin to spouses, must be of legal age to marry, must be otherwise qualified to enter a legal marriage (including being unmarried), and must have voluntarily cohabited for a significant period in a shared household. The four-factor test is the operative gate through which a live-in partner enters the PWDVA's protective regime. Beyond that gate sits the further architecture of maintenance, residence orders, presumption of marriage from long cohabitation, the legitimacy of children, and the question — still unresolved at the level of statute — of how a deceased partner's estate devolves on the surviving live-in companion. This guide traces the doctrine through statute and judgment, and identifies the points on which the law is still moving.

The constitutional baseline — Khushboo and Puttaswamy

The constitutional position is the easiest part of the framework to state. Two consenting adults who choose to live together are exercising rights protected by Articles 19 and 21 of the Constitution; their cohabitation is not criminal in any branch of penal law. The Supreme Court in S. Khushboo v Kanniammal, (2010) 5 SCC 600 — quashing twenty-three criminal complaints filed across Tamil Nadu against the film actor for her public remarks supporting premarital cohabitation — held that consensual relationships between adults, whether or not solemnised as marriage, do not attract any provision of the Indian Penal Code, 1860 (now Bharatiya Nyaya Sanhita, 2023). The judgment situated the right to cohabit within the personal-autonomy strand of Article 21 read with the freedom of expression under Article 19(1)(a).

The constitutional ground was deepened by K.S. Puttaswamy v Union of India, (2017) 10 SCC 1 — the nine-judge privacy bench — which recognised informational, decisional and bodily-autonomy strands of the right to privacy as facets of Article 21. The decisional-autonomy strand directly covers the choice of cohabiting partner. Lata Singh v State of UP, (2006) 5 SCC 475 had already directed the police and administrative authorities to ensure that adult inter-caste and inter-religious couples — including those in live-in arrangements — are protected from familial violence and "honour"-based reprisal. Joseph Shine v Union of India, (2019) 3 SCC 39, in striking down Section 497 of the IPC [now omitted from the BNS], underlined the same point — adult sexual autonomy lies within Article 21 and the State has a limited interest in policing it.

The constitutional baseline therefore is settled — a live-in between consenting adults is lawful conduct, protected from State and private interference. The question that the rest of the framework answers is what civil consequences flow from such a relationship.

The statutory category — Sections 2(a) and 2(f) of the PWDVA, 2005

The Protection of Women from Domestic Violence Act, 2005 is the operative statute. Section 2(a) defines an "aggrieved person" as any woman who is or has been in a "domestic relationship" with the respondent and who alleges to have been subjected to any act of domestic violence. Section 2(f) defines a "domestic relationship" to mean a relationship between two persons who live or have at any point of time lived together in a shared household — when they are related by consanguinity, by marriage, "through a relationship in the nature of marriage", by adoption, or are family members living together as a joint family. Section 2(s) defines the "shared household" as a household where the aggrieved person lives or at any stage has lived in a domestic relationship, with title or tenancy resting in either or both parties or in the joint family of the respondent.

The phrase "relationship in the nature of marriage" is the entry point for the live-in partner. The statute does not define it; the Supreme Court was required to do so. Section 3 sets out the conduct that constitutes "domestic violence" — physical, sexual, verbal, emotional and economic abuse, with economic abuse expressly including the deprivation of financial resources to which the aggrieved person is entitled by law or by custom. Section 12 is the procedural gate — an application is filed before the Magistrate of First Class, who may grant the bundle of reliefs in Sections 17 to 22 — protection orders under Section 18, residence orders under Section 19 (including the right to reside in the shared household under Section 17), monetary relief under Section 20, custody orders under Section 21, and compensation under Section 22. Section 26 makes the same reliefs available in any pending civil, family or criminal proceeding between the parties.

The Supreme Court in Hiral P Harsora v Kusum Narottamdas Harsora, (2016) 10 SCC 165 struck down the words "adult male" in Section 2(q) of the PWDVA as offending Article 14, with the consequence that a "respondent" under the Act now includes any relative of the husband or partner regardless of gender — a clarification that bears on live-in litigation where the harassing party is a female relative of the male partner.

Velusamy — the four-factor test

The doctrinal pivot of the entire framework is D. Velusamy v D. Patchaiammal, (2010) 10 SCC 469. The appellant before the Supreme Court was a school teacher resisting a maintenance order under Section 125 of the Code of Criminal Procedure, 1973 [now Section 144 of the Bharatiya Nagarik Suraksha Sanhita, 2023] in favour of the respondent — who claimed to be his second wife. The appellant produced documentary evidence of an earlier and subsisting marriage to one Lakshmi; Lakshmi had not been heard by the Family Court. The Bench (Markandey Katju and T. S. Thakur JJ.) set aside the Family Court order and the High Court's affirmation, remanded the matter, and used the occasion to interpret the statutory phrase "relationship in the nature of marriage" — which had not until then received an authoritative Supreme Court reading.

The Court began by observing that Parliament had drawn a deliberate distinction between the relationship of marriage and a relationship in the nature of marriage, and had extended the protection of the PWDVA to both. The Court then drew an analogy with the common-law marriage of the common-law jurisdictions — a relationship recognised, in some United States and other Anglophone jurisdictions, where the parties have not undergone a formal ceremony but have so conducted themselves as to be treated as spouses by their community. The four cumulative requirements of the common-law marriage, the Court held, must be read into the PWDVA phrase. To qualify as a "relationship in the nature of marriage" under Section 2(f) of the 2005 Act, the relationship must satisfy each of the following:

First, the couple must hold themselves out to society as being akin to spouses. The element is one of public conduct — introduction at social functions, references in correspondence, joint accounts, joint utility bills, common addresses in official documents.

Second, the parties must be of legal age to marry — eighteen for women and twenty-one for men under the Hindu Marriage Act, 1955 and the Special Marriage Act, 1954, with comparable thresholds in the other personal-law statutes.

Third, the parties must be otherwise qualified to enter into a legal marriage, including being unmarried. An adulterous relationship — one in which either party has a subsisting spouse from a prior valid marriage — does not satisfy this requirement. The Court was emphatic on this point and the doctrinal narrowness was later softened, in a different doctrinal register, by Badshah.

Fourth, the parties must have voluntarily cohabited and held themselves out to the world as akin to spouses for a significant period in a shared household, as defined in Section 2(s) of the PWDVA. A "weekend together" or "a one-night stand", the Court observed, would not qualify. Equally, a relationship that resembles concubinage — where the woman is kept for sexual purposes or as a servant — would not qualify, because the social holding-out element is absent.

The Court expressly recognised that the four-factor reading would exclude some women from the protection of the 2005 Act — a Court interpreting a statute could not, however, rewrite the language Parliament had chosen. The four-factor test is therefore narrowing rather than expanding; it draws the line between live-in relationships that engage the protective regime of the PWDVA and live-in relationships (or quasi-relationships) that do not.

Indra Sarma — the five-fold taxonomy

The Supreme Court in Indra Sarma v V.K.V. Sarma, (2013) 15 SCC 755 (K. S. Radhakrishnan and Pinaki Chandra Ghose JJ.) returned to the question and arranged live-in arrangements into a five-fold taxonomy to operationalise the Velusamy test:

(i) a domestic cohabitation between an unmarried adult woman and an unmarried adult man — a paradigm "relationship in the nature of marriage";

(ii) a domestic cohabitation between a married man and an unmarried adult woman, entered into knowingly — falls outside the protection of the PWDVA on the third Velusamy factor (the parties must be qualified to marry);

(iii) a domestic cohabitation between an unmarried adult woman and a married man, entered into unknowingly by the woman who has been duped — the equitable position considered separately in Badshah;

(iv) a domestic cohabitation between two adults of the same sex — a category that the Court left for legislative action and that was subsequently revisited (without legislative outcome) in Supriyo;

(v) a relationship founded on accidental or non-domestic cohabitation — sexual or otherwise — that does not amount to a sharing of a common household. Such a relationship is not a "domestic relationship" under Section 2(f) and is outside the PWDVA on the first and fourth factors.

The judgment also rejected the appellant's claim — the appellant in Indra Sarma herself had entered into a long cohabitation knowing that the respondent was a married man whose first marriage was subsisting — and held that the relationship did not satisfy the third Velusamy factor. The taxonomy survives as the working framework for trial courts assessing whether a domestic-violence application is maintainable.

Badshah — maintenance to the duped second wife

The doctrinal asymmetry between the strict Velusamy third factor and the equitable position of a woman duped into a void second marriage was resolved in Badshah v Sou Urmila Badshah Godse, (2014) 1 SCC 188 (A.K. Sikri J.). The respondent had married the appellant in 2005 by Hindu rites at the Devgad Temple after he represented to her that he was unmarried; three months into the cohabitation a woman appeared at the home claiming to be the appellant's first wife. The respondent had been kept in the dark about the first marriage at the time of solemnisation; their daughter Shivanjali was born from the cohabitation. The Judicial Magistrate awarded maintenance under Section 125 CrPC; the Sessions Court and Bombay High Court (Aurangabad Bench) affirmed.

The appellant before the Supreme Court relied on the earlier line in Yamunabai Anantrao Adhav v Anantrao Shivram Adhav, (1988) 1 SCC 530 and Savitaben Somabhai Bhatiya v State of Gujarat, AIR 2005 SC 1809 — that a woman whose marriage was void under Section 11 of the Hindu Marriage Act, 1955 on the ground of a subsisting first marriage was not a "wife" within the inclusive definition under Explanation (b) to Section 125 of the CrPC. The Court declined to apply that line on the facts. Three reasons sustained the result. First, the appellant had concealed his first marriage from the respondent at the time of solemnisation; equity barred him from taking advantage of his own wrong. Second, the standard of proof of marriage under Section 125 CrPC (a summary proceeding) is lower than the standard required for a bigamy conviction under Section 494 of the IPC — once a marriage ceremony has been gone through and cohabitation has followed, the presumption of marriage operates in the maintenance proceeding. Third, the purposive interpretation of Section 125 — a social-justice provision aimed at preventing destitution — required the Court to bridge the gap between the strict-construction line and the protective object of the section. The Court distinguished Adhav and Savitaben as applying only to cases where the woman entered into the second marriage with knowledge of the first.

Badshah sits on the maintenance side of the live-in framework and operates alongside, not in derogation of, Velusamy. A woman who is in category (iii) of the Indra Sarma taxonomy — duped into the relationship by a man whose first marriage was subsisting — is entitled to maintenance under Section 125 of the CrPC (Section 144 of the BNSS) by force of the equitable principle. A woman in category (ii) — who entered the relationship with full knowledge of the man's prior marriage — is outside both the PWDVA and the maintenance route. The line, in operational practice, is drawn on the basis of the woman's knowledge at the time of entry into the relationship.

Maintenance — the two parallel routes

A live-in partner who satisfies the Velusamy test may claim maintenance through two parallel routes. The first is under Section 20 of the PWDVA, 2005 — a monetary relief order passed by the Magistrate of First Class under Section 12 of the Act on the finding that the applicant is in a "domestic relationship" and has been subjected to "domestic violence" (which includes economic abuse). The order is enforceable as a Magistrate's order; the procedural standard is the summary procedure prescribed by Section 28.

The second route is under Section 144 of the Bharatiya Nagarik Suraksha Sanhita, 2023 [Section 125 of the CrPC, 1973]. The route requires the applicant to qualify as a "wife" under the inclusive definition. Strict statutory reading limits the definition to a legally wedded wife and a divorced wife who has not remarried — but the line of authority running through Chanmuniya v Virendra Kumar Singh Kushwaha, (2011) 1 SCC 141 (referring the question of strict-proof-of-marriage to a larger bench) and Badshah opens the route, on equitable grounds, to a woman who has been duped into a void second marriage. The Velusamy Court itself observed that a woman in a "relationship in the nature of marriage" can claim maintenance under Section 125 CrPC where the relationship satisfies the four-factor test — that observation has been carried into Section 144 of the BNSS.

The PWDVA route is the cleaner route for the live-in partner because it does not require the applicant to establish status as a "wife" — only the domestic relationship and the conduct constituting violence. The BNSS Section 144 route requires the additional step of bringing the applicant within the inclusive definition of "wife", and the standard of proof of marriage, even on the relaxed Dwarika Prasad Satpathy/Chanmuniya/Badshah standard, is some evidence of marriage ceremonies having been gone through. A pure live-in cohabitation, with no ceremony at any stage, is more comfortably routed through the PWDVA than through Section 144.

The presumption of marriage from long cohabitation

The Indian Evidence Act, 1872 (and now the Bharatiya Sakshya Adhiniyam, 2023, Section 116 [Section 114 IEA]) preserves the common-law presumption that where a man and a woman have lived together as husband and wife for a substantial period, the law presumes that they are married — and the burden of proof shifts to the party denying the marriage. The Supreme Court in Tulsa v Durghatiya, (2008) 4 SCC 520 applied the presumption to a long-cohabiting couple whose children were claiming a share in the deceased male partner's ancestral property; the children were held to be legitimate and entitled to a share. The Court restated the presumption in Bharatha Matha v R. Vijaya Renganathan, (2010) 11 SCC 483, with the qualification that the presumption operates only in respect of property and not for purposes of penal law — a useful clarification for the bigamy-prosecution context but immaterial to the civil consequences of a live-in.

The presumption is rebuttable. Where the evidence shows that the parties knew each other to be unmarried-by-ceremony and proceeded in a live-in framework — as in the paradigm Velusamy case — the presumption is displaced and the relationship is treated as a relationship in the nature of marriage rather than as a marriage. The distinction matters for two purposes: maintenance under Section 144 of the BNSS [Section 125 CrPC] is more comfortably claimed where the relationship is characterised as a marriage (and the woman as a "wife"); succession to the deceased partner's estate under the Hindu Succession Act, 1956 follows the marriage classification, not the live-in classification.

Property and succession — the major gap

The principal limitation of the live-in framework is its near-silence on property and succession. The Hindu Succession Act, 1956 — and the comparable rules in the Indian Succession Act, 1925 for Christians and Parsis and in Muslim personal law for Muslims — confers a Class I heir status on the spouse of the deceased. A "spouse" for this purpose is a person who was married to the deceased under the personal-law statute or under the Special Marriage Act, 1954 at the time of death. A live-in partner — a person in a "relationship in the nature of marriage" — is not a spouse for succession purposes and does not qualify as a Class I heir under Section 8 read with the Schedule to the HSA, 1956.

The consequence is that a deceased Hindu male's intestate estate devolves on his Class I heirs (mother, sons and daughters of pre-deceased sons, and, where there is a marriage, the wife) — bypassing the live-in partner. The live-in partner can claim the benefit of the long-cohabitation presumption only where the surrounding evidence supports treating the relationship as a marriage rather than as a relationship in the nature of marriage; in a clean live-in case, the presumption is rebutted by the evidence of the parties' own conduct and the partner takes nothing on intestacy.

The same gap operates in respect of jointly-occupied immovable property. A residence held in the male partner's sole name passes on his death to his Class I heirs. The female partner's right to reside in the "shared household" under Section 17 of the PWDVA, 2005 — preserved during the relationship — does not survive his death, since the underlying tenancy or title vests in his heirs. The live-in partner's only protection against eviction by the heirs is to convert the cohabitation into a registered tenancy or co-ownership during the lifetime of the male partner. There is no statutory regime that confers an automatic share in the male partner's estate on the female live-in partner — a recognised regime of the kind that exists in some European and Latin American jurisdictions (the French pacte civil de solidarité, the Brazilian união estável, the South African Customary Marriages Act) is absent from Indian law.

The gap was directly identified in the dissenting opinion of Ganguly J. in Bharatha Matha, (2010) 11 SCC 483 — calling for legislative action to recognise a regime of legitimate inheritance for the surviving live-in partner. No statute has followed. The Law Commission of India, in its consultation papers preceding Report No. 257 on guardianship and Report No. 211 on family law reform, noted the absence of a regime but recommended only incremental change. The position in 2026 remains that the surviving live-in partner has no inheritance right in the deceased partner's estate.

Children of live-in unions — the legitimacy framework

Children born of a live-in cohabitation are treated more generously than the parents. Three lines of authority support legitimacy. The first is the presumption from long cohabitation in Section 116 of the Bharatiya Sakshya Adhiniyam, 2023 [Section 114 IEA] — where the parents have lived as husband and wife for a substantial period, the Court will presume that the parents were married and the children of the cohabitation are legitimate. Tulsa v Durghatiya, (2008) 4 SCC 520 is the leading application; the children were held to inherit a share of the deceased father's ancestral property.

The second line is Section 16 of the Hindu Marriage Act, 1955 — the legitimacy of children of void and voidable marriages. The Supreme Court in Revanasiddappa v Mallikarjun, (2011) 11 SCC 1 read Section 16 liberally to confer legitimacy on the children of a void marriage in respect of both ancestral and separate property of the parents — the legitimacy is not limited to self-acquired property. The decision was later affirmed (and the scope of the inheritance further worked out) by a larger bench in Revanasiddappa (2023). The children of a void marriage — and, by parity of reasoning, the children of a long cohabitation that satisfies the Velusamy test — are entitled to inherit the share of the parent that would have gone to a legitimate child.

The third line is Bharatha Matha v R. Vijaya Renganathan, (2010) 11 SCC 483 — which confirmed that the legitimacy under Section 16 is for purposes of succession to the parents only, and not for any wider purpose such as the inheritance of joint-family or coparcenary property where the child would have been entitled by birth. Within that limit, the legitimacy is conferred by force of the section and does not require any further proceeding.

The combined effect is that children of a live-in cohabitation are entitled to legitimacy and to a share in the deceased parent's separate property; the inheritance route is therefore more secure for the child than for the surviving partner. Maintenance for the child during the parents' lifetime is available under Section 20 of the PWDVA (against the male partner as a respondent in the proceeding initiated by the mother), under Section 144 of the BNSS (the child being a separate applicant alongside the mother), and under Section 125 of the CrPC's successor for child maintenance to a non-marital child.

What a live-in is not — the limits of the analogy

A live-in relationship, however close it may have come to a marriage, is not a marriage. It does not produce the status changes that flow from a recognised marriage. The female partner does not acquire the husband's domicile by force of the cohabitation; she does not acquire any in-rem rights in his property; she does not acquire the right to be treated as his "spouse" for any statute that uses the term spouse without the further phrase "or partner in a relationship in the nature of marriage". The Income Tax Act, 1961 does not recognise a live-in partner as a spouse for clubbing or HUF purposes; the Employees' Provident Funds and Miscellaneous Provisions Act, 1952 does not recognise a live-in partner as a nominee by force of the relationship (although a partner may be nominated by a direct nomination filed during the male partner's lifetime); life-insurance and pension benefits that flow to a "spouse" do not flow to a live-in partner unless she has been named in the policy.

A live-in relationship also does not bar the parties from contracting a marriage with a third party. A male partner in a live-in relationship who marries a third woman has not committed bigamy — there was no first marriage to subsist. The female live-in partner is not entitled to be heard as an aggrieved person in the marriage proceedings of her partner (although she may, after the marriage, claim maintenance under Section 20 PWDVA or Section 144 BNSS if the cessation of the cohabitation amounts to economic abuse or to desertion within the meaning of the maintenance provisions).

A live-in relationship also does not, in the absence of a long cohabitation displacing the rebuttable presumption, attract the operation of the personal-law adoption provisions. The Adoption Regulations, 2022 under the Juvenile Justice (Care and Protection of Children) Act, 2015 — Regulation 5(3) — require a "stable marital relationship" for joint adoption, with single applicants entitled to adopt subject to gender restrictions. A live-in couple cannot jointly adopt; one partner may adopt as a single applicant. The same restriction operates under Section 7 of the Hindu Adoptions and Maintenance Act, 1956.

The Supriyo overhang — same-sex live-in after 2023

Three open questions persist. The first concerns the position of same-sex live-in cohabitation. The Supreme Court in Supriyo v Union of India, (2023) — the same-sex marriage reference — held by a four-to-one majority that the Special Marriage Act, 1954 and the personal-law statutes do not, by reading-in, accommodate same-sex marriage; the Court declined to supply legislative language Parliament had not enacted. The majority recognised, however, that same-sex couples have the right to cohabit and that cohabitation is protected under Article 21. The PWDVA, 2005 — drafted in gender-specific terms with the "aggrieved person" being a woman — is not by its terms available to same-sex live-in arrangements; Hiral P Harsora's broadening of "respondent" to include any relative does not displace the gender restriction on the aggrieved person. The Indra Sarma category (iv) — same-sex domestic cohabitation — therefore sits outside the protective regime of the PWDVA. A reform Bill is on the legislative anvil but no statutory recognition has followed; the position in 2026 is that same-sex cohabitation is constitutionally protected as a matter of personal autonomy but produces few of the civil consequences that a heterosexual cohabitation can be made to produce through the Velusamy reading.

The registration overhang — and what remains contested

The second open question is the absence of a statutory registration regime for live-in relationships. A regime of the kind contemplated by the Uttarakhand Uniform Civil Code, 2024 — which provides for compulsory registration of live-in relationships within a month of cohabitation, with criminal consequences for non-registration — has not been replicated in any other State. The constitutionality of the Uttarakhand regime is itself under challenge in the High Court of Uttarakhand and in the Supreme Court — petitions urging that compulsory registration violates the decisional-autonomy strand of Article 21 are pending. The result is a federalist patchwork — in Uttarakhand, registration is mandatory and unregistered cohabitation carries penal consequences; in the rest of India, registration is unavailable and cohabitation produces civil consequences only through the Velusamy route.

The third open question concerns the recognition of a contractual regime — a cohabitation agreement between live-in partners — equivalent to the United States contract-palimony jurisprudence (Marvin v Marvin, 18 Cal 3d 660 (1976)) noted by the Velusamy Court. Indian law, the Velusamy Court observed, does not yet recognise palimony either by statute or by a settled line of judicial decision; a written or oral cohabitation contract is in principle enforceable as a contract under Section 10 of the Contract Act, 1872, but the consideration must be free of meretricious taint (sexual services as the sole consideration would render the contract void as opposed to public policy under Section 23). No reported Indian case has enforced a pure cohabitation contract; the practice of drafting such contracts has begun in urban legal practice but the doctrinal position remains tentative.

The 2026 position — a doctrinal sketch

The 2026 position on live-in relationships in India can be summarised in five propositions. One, a live-in between consenting adults of marriageable age is lawful conduct, protected by Articles 19 and 21. Two, where the cohabitation satisfies the four Velusamy factors, it is a "relationship in the nature of marriage" under Section 2(f) of the PWDVA, 2005, and the female partner is entitled to the protective bundle of orders under Sections 17 to 22 of that Act. Three, maintenance is available through the PWDVA Section 20 route directly, and through the Section 144 BNSS [Section 125 CrPC] route for the duped second wife on the Badshah equity. Four, children of the cohabitation are legitimate by force of the Section 16 HMA / cohabitation-presumption framework and inherit the parent's separate property; the surviving partner has no comparable inheritance right. Five, the same-sex live-in, post-Supriyo, is constitutionally protected but produces few civil consequences in the absence of a statutory regime. The framework is functional for the heterosexual cohabitation that satisfies Velusamy; for the cohabitations that fall outside — the adulterous cohabitation, the same-sex cohabitation, the long cohabitation without holding-out — the framework is incomplete and the law continues to develop through judicial creativity rather than legislative design.