Section 178(1) in The Navy (Pay And Allowances) Regulations, 1966
(1)Engine room artificers and mechanicians of the Indian Navy who are on continuous service terms, shall be granted unit certificate allowance and charge certificate allowance, provided that they are re-engaged, or undertake in writing to re-engage, to complete the minimum qualifying service for pension, at the following rates, namely:(a)[ Unit certificate allowance [Inserted by S.R.O. 19(E), dated 23rd October, 1986](i)Lower rate-at Rs. 25 per mensem;(ii)Higher rate-at Rs. 50 per mensem.(b)Charge certificate allowance--(i)Lower rate-at Rs. 50 per mensem;(ii)Higher rate---at Rs. 75 per mensem;(iii)Special rate-at Rs. 90 per mensem.]