B. E. S. T. Undertaking — i am complaint about electricity bill excess amount

Dear sir/madam,
My name is banwari pudai jaiswar, and i live in sion mumbai. Here i am complaing about my electricity bill excess.
Every end of month my electricity bill paper delivered at my home and i paid my electricity bill every months time to time.
I used to pay a light bill of 800–900 every month. We all suffering from covid -19 so we locked my room and all family gone to village for 3 months. After coming from my village i see my electricity bill excess amount rs. 4, 970.0 only/- so i request you to kindly check properly electricity consumption and send before due date electricity paper.
Electricity bill account number (Consumer number[protected]*3
Meter number - 2208246
Mobile number - [protected]