Section 5(2)(B) in The Tamil Nadu Electricity Supply Code, 2004
(B)in case the recorded demand has exceeded 112 KW, the existing load sanction shall, after intimation to the consumer, be revised within one month of the second occurrence, to the level of 112 KW and all relevant charges applicable to the additional load shall be included in the next bill; if, however, the recorded demand has exceeded 112KW for the third or more number of times, it is open to the consumer to opt for HT service.