Mahanagar Gas — Excess amount bill charged

Address:

204, 2nd floor, Poonam Valley CHS Ltd. Pleasant Park, Mira Road East, Thane 401107

Today I wanted to pay my MGL bill through google pay and notice that bill amount is Rs. 3597/- bill date - 22nd Dec.2020. due date 11th jan.2021.
I am paying regularly and surprise to notice this bill raised by bill.

Also our home is close for 26 Aug 20 to 25 Sept 20f. Still we have received bill and we also pay that.

Please check the above bill amount of current bill and aug.to sept 2020 bill and give us final amount to pay