Why this matters
The Indian Succession Act, 1925 describes how a will is executed — signature plus attestation by two witnesses — without imposing a geographical condition. A will signed in New Jersey, London or Dubai can therefore deal with a flat in Bengaluru.
Because the document may later be examined in India by people who were not there, the care you take at the signing is what protects it: one original, a clear date and place, initials on every page, and witnesses who can be traced.
What NRIs should consider
Keep everyone in one sitting
Section 63(c) requires each witness to see you sign (or acknowledge your signature) and then sign in your presence; it says both need not be present at the same time. Having everyone together anyway is the simplest way to avoid later doubt.
One original only
Print and sign a single original. Multiple signed 'originals' invite arguments about which document is the real one.
Witnesses should not inherit
A gift to an attesting witness is void. Use neutral adults — colleagues, neighbours, friends.
Notarisation is optional
It is not part of the statutory execution requirements. Some families add it as extra evidence of when and where the signing happened.
Store the original within reach
The signed original will be needed in India. Make sure your executor knows where it is and can actually get to it.
When professional legal advice may be appropriate
Consider speaking with a lawyer qualified in India if your estate spans several countries in a complicated way, if significant tax planning is involved, if a family dispute or contested estate is likely, if a business, trust or unusual ownership structure is part of the estate, or if you are unsure how a Will made where you live interacts with one covering Indian assets.