Dakshin Haryana Bijli Vitran Nigam — Voltage down and high (Fluctuation)

Dear sir/Madam, I am residing in U 69/17 in DLF Phase III, Gurgaon My K number is [protected], Since last 2-3 days Voltage is some time very high and after 1-2 minutes is goes very down. this process is continuous since last 2-3 days and due to this wire and elec appliances are getting heat. So kindly take remedial action as soon as possible.