Section 46(2)(b) in The Indian Electricity Rules, 1956
(b)In the event of the failure of any consumer to pay the fees on or before the date specified in the fee notice, supply to the installation of such consumer shall be liable to be disconnected under the direction of the Inspector. Such disconnection, however, shall not be made by the supplier without giving to the consumer seven clear days' notice in writing of his intention so to do.