Mahanagar Gas — Excessive bill amount for last 2 months

Since last 2 months ( bill received on Dec 2020 and Jan 2021) we observed that we received excessive amount of bill for MGL Connection[protected]. We alredy paid 3075 amount last month after conversation with customer care. Check with the bill amount and explain.
Reply on below mail I'd
Priyanka1511.[protected]@gmail.com

I will take it ahead if not response receive in business hours.