Section 3(5)(b) in The Life Insurance Corporation of India (Employees) Pension Rules, 1995
(b)refund within sixty days after the expiry of the said period of one hundred and twenty days specified in clause (a) above, the entire amount of the Corporation's contribution to the Provident Fund and interest accrued thereon together with a further simple interest at the rate of twelve per cent per annum from the date of settlement of the Provident Fund account till the date of refund of the aforesaid amount to the Corporation ; or