Section 191(1) in The Navy (Pension) Regulations, 1964
(1)Subject to the provisions of sub-regulation (2), arrears of pension or gratuity due to the estate of a deceased pensioner may be paid to the legal heir on production of a certified copy of the probate of the will, if any, left by the deceased, or letters of administration granted by a court of law or an indemnity certificate signed by two respectable persons that the claimant is the legal heir and that they hold themselves responsible for the refund of the amount paid, in the event of any future claim being preferred. If the legal heir is a minor, payment shall be made to the legal guardian or when there is none, to the person appointed by a court of law.