should charge for the supply of electricity to the petitioner’s service connection bearing No.MDK 634 at the rate of 195 per KVA towards demand charges and at the rate of Rs.3.25 per each unit consumed towards energy charges. As per the said tariff order, if the HT consumer availing supply at voltage of 6.6 KV or below instead of 11 KV voltage, when the contracted demand is between 70 KVA to 1500 KVA, then the voltage surcharge will be imposed at 12% extra over normal rate on demand charges and 10% extra over normal rate on energy charges. Petitioner’s u nit has been availing supply of 11 KV specified voltage and at no point of time, they have availed the supply at voltage of 6.6 KVA or below it for levying voltage surcharge in the monthly consumption bills. While that being so, the monthly bill for the month of June, 2008 for an amount of Rs.30,33,069/- was issued levying voltage surcharge and claiming an additional amount of Rs.3,56,410/- on such illegal levy. According to the petitioner, the monthly bill for the month of June, 2008 in respect of petitioner’s unit should have been; a) Demand charges = 1520 KVA x 195 = Rs. 2,96,400-00