Dakshin Haryana Bijli Vitran Nigam — wrong billing for last few months

Address: Gurgaon, Haryana

From last few months i am getting bill where new reading was shown nil and unit consumed 742 in sept 2017 and 402 in november 2017, bill basis pr and remarks rnt. This month on 24.12.2017 my bill was generated with unit consumed 46474 for rs. 347518.00. My connection is domestic and avg. Unit consumption in last year was around 700 for two months. You are requested to kindly check it and issue me bill with correct reading.