Indraprastha Gas Limited [IGL] — igl bill payment

I am consumer of bp no. [protected], i have received a message from igl for payment of rs. 1025.13 against said bp no.. I had make payment through credit card vide ref. No. 74332748349834890219785 dt. 14.12.18. Again i have received bill of rs. 595.00 in the month of jan.'19 which also has been paid on 23.1.19, when i have called your customer care they said they have not received any payment of rs. 1025.13.
Please look into this & adjust the same in my next bill.

Thanks,

Sunil jakhmola