Hindu marriage is not one tradition but a federation of them. The Vedic core — seven steps around a sacred fire, the giving of the bride (kanyadaan), the tying of the mangalsutra, the application of vermilion to the bride's hair part — recurs across most Hindu weddings, but the specifics vary dramatically by region, caste, language, and sectarian affiliation. A Tamil Iyer wedding looks different from a Punjabi Khatri wedding which looks different from a Bengali Brahmin wedding which looks different from a Marwari wedding, and all of these look different from a South Indian Reddy wedding or a Gujarati Patel wedding. The shared substrate is Sanskrit liturgy and fire ritual; the surface is local.

The classical structure derives from the Grihya Sutras, ritual manuals composed roughly between 800 and 300 BCE, which codified the household ceremonies of Vedic Hinduism. The wedding is one of sixteen sacraments (samskaras) that mark the Hindu life cycle. It is also classified as one of the eight forms of marriage in the Manusmriti, ranging from the prestigious Brahma form (the bride given in honor) to the deprecated Asura (purchase) and Rakshasa (capture) forms. The diversity of forms in classical texts itself reflects the federated nature of the tradition.

Reform has come in three waves. The first was the nineteenth-century social reform movement led by figures like Ram Mohan Roy, Ishwar Chandra Vidyasagar, and Dayananda Saraswati. They campaigned against child marriage, sati (widow self-immolation), and the prohibition of widow remarriage. Their efforts produced legislation under British India — the Age of Consent Act (1891), the Hindu Widows' Remarriage Act (1856), the Child Marriage Restraint Act (1929) — that reshaped the legal floor of Hindu marriage.

The second wave was the codification of Hindu personal law in independent India: the Hindu Marriage Act of 1955, the Hindu Succession Act of 1956, and related statutes. These created a uniform legal framework for Hindu marriage that overrode regional and caste variations on questions like minimum age, monogamy (which became legally required), divorce (which became legally available), and inheritance rights for daughters. The 1955 Act treated all Hindus, Jains, Buddhists, and Sikhs as a single legal category, a move that was politically controversial but legally consequential.

The third wave is contemporary and ongoing. Inter-caste and inter-religious marriages have become more common, particularly in urban areas, though they remain socially fraught and sometimes violently policed. Same-sex marriages are not legally recognized in India despite the 2018 decriminalization of homosexuality, though many couples have held religious ceremonies and some priests have officiated. Dowry, illegal since 1961, remains widespread in practice. Daughter inheritance, equalized by the 2005 amendment to the Hindu Succession Act, is still contested at the family level.

What makes Hindu marriage reform structurally interesting is that the tradition has no single ecclesiastical authority. There is no Hindu pope, no central rabbinate, no governing council. Reform happens through legislation, through individual priests and families deciding to do things differently, through reformist movements like the Arya Samaj that simplified and rationalized rituals, and through diaspora communities adapting practices to new contexts. This decentralization makes the tradition both highly resistant to top-down change and highly capable of bottom-up evolution.

The Saptapadi — the seven steps around the fire, each accompanied by a vow — is the legally definitive moment of a Hindu marriage under the 1955 Act. The steps reference nourishment, strength, prosperity, happiness, progeny, seasons, and friendship. Many modernizing couples have rewritten these vows or added their own, sometimes including commitments to gender equality, mutual career support, or shared parenting that have no classical precedent. The fire (Agni) is the witness; the priest is the officiant; but the vows are increasingly the couple's own.

Kanyadaan — the giving away of the daughter — is the ritual that has come under the most sustained feminist critique. It frames the daughter as a gift from her father to her husband, and many modern couples either skip it, replace it with a mutual blessing by both sets of parents, or perform it with explicit reinterpretation. The mangalsutra (sacred necklace) and sindoor (vermilion) mark the wife's married status but have no male equivalent; some couples now exchange rings or both partners wear matching items.

The collective lesson is that a tradition without a central authority reforms differently than one with hierarchy. Hindu marriage has changed enormously over two centuries while remaining recognizably Hindu, not because anyone decreed the changes but because millions of families, priests, and legislators incrementally rewrote the practice. The fire still burns; the seven steps are still taken; but who takes them, with whom, and what they mean is now genuinely negotiated.