Does will has no value without probate?

A will has a definite value even without a probate. 

However, to put the will into execution, a probate is essentially required so as to prove the genuineness and authenticity of the will. 

 

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There is no other Alternative to Probate if you live in Mumbai or Kolkata. Its mandatory and you need to file it.

DEAR SIR, Probate is mandatory: In Mumbai, Chennai, and Kolkata, under Section 213 of the Indian Succession Act, 1925, probate is mandatory for Wills made by Hindus, Buddhists, Sikhs, or Jains when the Will relates to property within these cities. It is also mandatory if the Will is executed by Christians, Parsis, or Jews anywhere in India.