Power tariff has been hiked in Bihar and Madhya Pradesh. Bihar Electricity Regulatory Commission has increased the present tariff by 5 to 12 percent under various categories. This will come in to force from tomorrow. The move will fetch an additional revenue of over 348 crore rupees and bail out the state electricity board, which is in the red.In Madhya Pradesh, domestic power consumers will have to pay seven percent more as power tariff from 10th of the next month. The state power regulatory commission today announced new power tariff for different categories. AIR Bhopal correspondent reports the commission has also changed consumption slabs of domestic category.Now domestic power consumers will have to pay four rupees 80 paisa per unit for consumption of 101 to 300 units. At present they are paying four rupees 60 paisa per unit for consumption of up to 200 units. Agriculture consumer will have to pay 20 paisa more for every unit for consumption of up to 300 units. Talking to media in Bhopal , chairman of the state power regulatory commission Rakesh Sahni said that power distribution companies had demanded an average increase of 24 percent but the commission has given approval for hike of 7.7 percent.