Section 16(4)(b) in RSWC Employees General Provident Fund Regulations, 1990
(b)Interest shall ordinarily be recovered in one instalment in the month after complete repayment of the principal, but, if the period referred to in clause (a) exceeds twenty months, interest may. if the subscriber so desires, be recovered in two equal monthly instalments. The method of recovery shall be that prescribed in sub-rule (2). Payments shall be rounded to the nearest rupee.