Section 142(2) in The Navy (Pay And Allowances) Regulations, 1966
(2)The allowance shall he fixed by the Station Commander (or the Commanding Officer where there is no Station Commander) after ascertaining the rate at which such services are obtained by civilians of equivalent status in the concerned localities subject to a maximum of [Rs. 12] [Substitued and Inserted by S.R.O. 9-E, dated 19th March, 1974] per month for Chief Petty Officers and [Rs. 10] [Substitued & Inserted by S.R.O. 9-E, dated 19th March, 1974] per month for Petty Officers and other sailors.