By S&S Co. Advocates & Solicitors · Published 20 September 2026 · Informational content, not legal advice — see our disclaimer
What Makes a Will Legally Valid
Governed by the Indian Succession Act, 1925, Section 2(h) defines a will as the legal declaration of a testator's intention regarding disposal of property, effective after death and freely revocable during the testator's lifetime. Under Section 63, a valid will requires the testator to be of sound mind and not a minor, the testator's signature or mark, and attestation by at least two witnesses who each either saw the testator sign or received personal acknowledgment of the signature.
Essential Clauses to Include
A well-drafted will should contain: a declaration clause confirming sound mind and revoking all prior wills; specific bequest clauses identifying each asset and beneficiary, with a contingency for a beneficiary predeceasing the testator; a residuary or catch-all clause covering any assets not specifically named — without it, unlisted assets pass by intestate succession rules instead of the will; and an executor-appointment clause naming both a primary and a backup executor, so the estate has someone empowered to administer it even if the first choice is unable to serve.
Registration Is Optional, Not Mandatory
Registration of a will is optional, not mandatory — a properly executed, duly attested but unregistered will is fully legally valid. Registration under the Registration Act, 1908 adds an evidentiary safeguard and prevents loss or tampering of the document, but does not cure a defectively executed will; a poorly attested will does not become valid simply because it was registered.
Probate May Still Be Required
Depending on where the testator is domiciled and what the estate includes, the executor may later need to obtain probate — a court-granted certificate confirming the will's validity — before administering the estate, historically a stricter requirement for wills executed within the former presidency towns of Kolkata, Chennai and Mumbai. This territorial nuance should be confirmed for the specific estate rather than assumed to apply, or not apply, uniformly.
Common Defects That Invite Later Challenge
Common defects that invite later challenge include vague or ambiguous asset descriptions, missing or incompetent witnesses, absence of a residuary clause, and failure to account for jointly-held or nominee-designated assets — bank or insurance nominations, for instance — that do not automatically pass under the terms of a will regardless of what the will itself says about them.
Frequently Asked Questions
What does a will need to be legally valid?
Under Section 63 of the Indian Succession Act, the testator must be of sound mind and not a minor, must sign or mark the will, and the will must be attested by at least two witnesses who each saw the testator sign or received personal acknowledgment of the signature.
Is registering a will mandatory?
No. A properly executed, duly attested but unregistered will is fully legally valid. Registration adds an evidentiary safeguard against loss or tampering, but does not cure a defectively executed will.
Why should a will include a residuary clause?
Without a residuary clause covering assets not specifically named, those unlisted assets pass by intestate succession rules instead of according to the will's terms — a common and avoidable drafting gap.
References & Further Reading
This article references the following statutory provisions. Readers should always verify current rules, fees and timelines against the applicable statute and rules as amended, since these are revised from time to time.
- Indian Succession Act, 1925, Sections 2(h) and 63, as amended.
- Registration Act, 1908 (optional will registration).