In Tamil Nadu, power tariff has been hiked. Tamil Nadu Electricity Regulatory Commission (TNERC) announced on Friday a 37 per cent hike in the power tariff, covering both domestic and industry sectors.This move will fetch an additional Rs 7,874 crore and bail out the state electricity board, which is in the red.Under the revision effective from April 1, domestic consumers using up to 50 units per month would be charged Rs 2.60 per unit, of which a subsidy of Rs 1.50 will be borne by the state.Consumers using from 50 units to 100 units per month, would be charged Rs 2.80 per unit, of which Re 1 would be the subsidy.