Section 9(1)(a) in The Kerala Money-Lenders Act, 1958
(a)regularly record and maintain or cause to be recorded and maintained, an account showing for each debt separately-(i)the date of the loan, the amount of the principal of the loan and the rate of interest charged on the loan; and(ii)the amount of every payment received by the money-lender in respect of the loan, and the date of such payment.