Section 74(2)(a) in Tamil Nadu Pension Rules, 1978
(a)Where the family of the deceased Government servant is eligible for the death-cum-retirement gratuity under rule 45, the Head of office shall ascertain-(i)if the deceased Government servant had nominated any person or persons to receive the gratuity; and(ii)where the deceased Government servant had not made any, nomination or the nomination made does not subsist the person or persons to whom the gratuity may be payable.