How are Hindu succession inheritance shares calculated under the Hindu Succession Act?

Class I heirs (Schedule, HSA) inherit simultaneously and equally. The list includes son, daughter, widow, mother, son of predeceased son, daughter of predeceased son, son of predeceased daughter, daughter of predeceased daughter, widow of predeceased son, son of predeceased son of predeceased son, daughter of predeceased son of predeceased son, widow of predeceased son of predeceased son, plus four more added in the 2005 amendment covering daughter-line grandchildren symmetrically.

Distribution rule (Section 10): widow, mother and children each get equal shares; grandchildren take per stirpes (their parent's share, divided among themselves); multiple widows together count as one widow's share. Example: Mr A dies leaving widow, mother, 2 sons, 1 daughter and 1 grandson from a predeceased son. Total heirs: widow + mother + 2 sons + 1 daughter + 1 group of grandchildren = 6 equal-share groups. Each gets 1/6. The grandchildren group's 1/6 is split among them.

Class II heirs (9 entries in order of preference): I. Father; II. Son's daughter's son, son's daughter's daughter, brother, sister; III. Daughter's son's son, daughter's son's daughter, daughter's daughter's son, daughter's daughter's daughter; IV. Brother's son, sister's son, brother's daughter, sister's daughter; V. Father's father, father's mother; VI. Father's widow, brother's widow; VII. Father's brother, father's sister; VIII. Mother's father, mother's mother; IX. Mother's brother, mother's sister. Class II heirs inherit only if no Class I heir exists; within Class II, higher entry excludes lower.

The 2005 amendment to Section 6 HSA gave daughters equal coparcenary status. The Supreme Court in Vineeta Sharma v. Rakesh Sharma, (2020) 9 SCC 1 settled the law. A daughter's coparcenary right is by birth, not by inheritance — she is coparcener whether or not the father was alive on 9 September 2005 (date of amendment). The right applies to ancestral or coparcenary property only — not to the father's self-acquired property (that goes by Section 8 intestate succession). Partition before 20 December 2004 is unaffected if effected through registered deed or court decree. The daughter has both rights and liabilities — she is liable to contribute to family debts proportional to her share.

Notional partition method (Section 6 Explanation). Step 1: assume partition just before father's death. Step 2: calculate father's share in that notional partition. Step 3: the father's notional share devolves by intestate succession to Class I heirs. Example: joint Hindu family with father F and 2 sons (S1, S2) and 1 daughter (D). Coparcenary property worth ₹4 crore. Pre-amendment: only F, S1, S2 were coparceners; F's notional 1/3 share went to wife, S1, S2 and D equally. Post-2020 Vineeta Sharma: F, S1, S2, D are all coparceners — each 1/4 = ₹1 crore. F's 1/4 share (₹1 crore) further devolves intestate among Class I heirs (wife, S1, S2, D) — each gets ₹25 lakh from this. Final: S1, S2, D each have ₹1.25 crore; wife has ₹25 lakh. This compares to pre-amendment where D would have got only ₹25 lakh.

Dayabhaga school (Bengal, Assam) has different rules — sons and daughters have rights only on father's death, not by birth.

A female Hindu's property has a distinctive scheme under Sections 15-16 HSA. Section 15(1) general rule, in order of preference: sons, daughters (including children of predeceased son or daughter), and husband — equally; heirs of husband; mother and father; heirs of father; heirs of mother.

Section 15(2) source-based exceptions. Property inherited from father or mother: if no son or daughter (or their children) is living, property reverts to heirs of father (not husband's family). Property inherited from husband or father-in-law: if no son or daughter (or their children) is living, property reverts to heirs of the husband. This is to prevent property from leaving the family line through which it came. Self-acquired property of a female Hindu devolves per Section 15(1).

Section 16 order of succession: heirs in (a) inherit simultaneously and equally, then exhaust before (b), and so on. Example 1: W (Hindu widow) dies leaving 2 sons, 1 daughter, no husband, parents alive. Property goes equally to sons plus daughter under 15(1)(a). Parents are excluded. Example 2: W dies childless, husband deceased. Property inherited from her father. Under Section 15(2)(a), property reverts to heirs of father (her siblings, etc.), NOT to husband's family.

Critique: Section 15 is widely criticised as gender-discriminatory because it gives husband's heirs priority over wife's parents and siblings. The Law Commission 207th Report (2008) recommended equalisation but amendment is still pending.

Three primary routes exist. Family settlement or oral partition is practical, fast and low-cost; family members mutually agree; may execute a memorandum of family settlement; not strictly a partition deed and attracts lower stamp duty. Registered partition deed: all parties sign before the Sub-Registrar; stamp duty 1-7% depending on state; provides clear title. Suit for partition in Civil Court is used when family members don't agree or one party refuses to cooperate.

Suit for partition procedure: plaint sets out family tree, properties, prayer for share, separate possession and accounts. Court fee is ad valorem on the plaintiff's claimed share (varies by state, 4-7.5%). A preliminary decree declares shares of each party. A final decree actually allots properties to each party, often involving a Court Commissioner to inventory and value properties and propose modes of partition. Execution: partition deed drawn up per final decree; physically demarcated. Timeline: 3 to 10 years for contested partition suit. Mutual partition deed: 30-60 days.

Key documents for shares calculation: death certificate of deceased; family tree (kutumb panji); title deeds of properties; encumbrance certificates; property tax receipts, mutation records; bank and demat statements; will if any; succession certificate from Civil Court (for movable property or debts) or Letter of Administration (for immovable); probate for wills in Mumbai, Kolkata or Chennai presidencies. Engage a specialised property lawyer early. Cost: family settlement ₹15,000-₹1 lakh; partition suit ₹1.5 lakh-₹15 lakh depending on value.

A valid will overrides intestate succession for the testator's self-acquired and separate property. However, a will cannot bequeath coparcenary property beyond the testator's own share. Section 30 HSA allows a Hindu to bequeath his or her interest in coparcenary property by will, but only his or her share, not others'.

Will requirements (Section 63 Indian Succession Act, 1925): testator of sound mind, 18+; signed by testator (or someone in the testator's presence with direction); attested by 2+ witnesses who saw the testator sign; need not be registered (but registration provides strong evidence); need not be on stamp paper (no stamp duty on wills).

Probate (Sections 213-227 ISA) is required for wills made in Mumbai, Kolkata or Chennai jurisdiction, or property situated there. Elsewhere it is optional but recommended. Without probate, beneficiaries face hurdles in transferring property. Challenges to wills: undue influence, coercion, fraud; testator's mental incapacity; suspicious circumstances (beneficiary involved in execution); forged signature; inconsistent with prior wills or later codicils. Maintenance obligations override will — Hindu Adoptions and Maintenance Act, 1956 obligation to maintain dependents (wife, minor children, aged parents) overrides will dispositions to that extent.

Practical advice: get the will registered with Sub-Registrar (minimal fee, strong evidentiary value); keep multiple original copies in safe places; update on major life changes (marriage, birth, death, property acquisition); consider a living trust for complex estates; discuss with family to reduce dispute risk; use clear, unambiguous language; specify alternate beneficiaries. Engage a reputable wills lawyer — cost ₹5,000-₹50,000. See related will guide.