Section 8(2)(b) in Tamil Nadu Panchayats (Preparation of Plans and Estimates for Works and Mode and Conditions of Contracts) Rules, 1998
(b)In the case of a supplemental maintenance work relating to road which is found necessary after the annual maintenance contract for that road has been settled, if the contract amount of the supplemental maintenance work does not exceed fifty per cent of the amount of the original maintenance amount or rupees two thousand five hundred, whichever is less;