Section 4(2) in The Navy (Pay And Allowances) Regulations, 1966
(2)An officer granted higher paid acting rank up to and inclusive of Lieutenant Commander involving promotion to one step higher than his substantive rank, will receive pay appropriate to his substantive rank and length of service reckonable for pay plus an acting rank pay of Rs. 50/- per mensem. Officers other than ex-Branch List Officers of the rank of Commander and Captain whether acting or substantive and officers ex-Branch list of the substantive ranks of Commander and Captain shall receive pay at the rates shown for these ranks in the appropriate appendices referred to in sub-regulation (1).Explanation. - Acting pay shall be treated as pay for all purposes.
