Section 5(2)(ii) in Tamil Nadu Revision of Tariff Rates on Supply of Electrical Energy Act, 1978
(ii)In all cases of High Tension Supply under High Tension Tariff-I the connected load under lighting and other non-industrial purposes including appliances but not for resale must not exceed the prescribed limit as detailed in items (iv) and (v) below. If any excess under lighting and non-industrial load cannot be segregated or brought within the prescribed limit then the whole consumption in the service shall be charged under High Tension Tariff VII.