Central Government Act
Section 15A(a) in The Wealth- Tax Act, 1957
(a) in the case of an individual, by the individual himself; where the individual is absent from India, by the
individual concerned or by some person duly authorised by him in this behalf; where the individual is mentally incapacitated from attending to his affairs, by his guardian or any other person competent to act on his behalf; and where for any other reason it is impossible for the individual to sign the return, by any person competent to act on his behalf;