Section 4(5)(ii) in The Coal Mines Pension Scheme, 1998
(ii)The amounts specified in clause (b) of paragraph 3 shall carry an interest at the rates admissible to Coal Mines Provident Fund members, for clauses (c) and (d) of paragraph 3, at the rate of 12% per annum and the amounts under clause (e) of paragraph 3, at such rate, fixed by the Central Government from time to time credited interest in its contributions to the Coal Mines Family Pension Scheme, 1971 till 31-3-1998, and at the rate of 8.5% with effect from 1-4-1998.