Cugl — last payment was not updated to new bill

Address:

Kanpur, Uttar Pradesh, 208005

Res, sir.

My client code is : cup261gas
Crn no. Is : d0004564
Client name is : anil kumar tripathi

I request to you please send me full details of my paid/deposit bills.
Because latest bill i received today with the following details :
Invoice no. : 2920
Invoice date : 31/3/18
Amount : rs. 1251
Total unit consumption : 13.60

My inquiry is i had payed last bill as per following details:
Invoice no. : 552642
Invoice date : 15/2/18
Amount :791
Cheque no.:247936
Cheque issue date :
Cheque bank name : development cooperative bank, parate kanpur
Cheque clear from a/c dated : 09/04/18

Payed at vajay nagar cng /png petrolpump office kanpur up, and there i mentioned register entry also before due date, u can check your register.

Finally i ask u why rs, 791 is added to my new bill. Delay and pickup was done by your side not my fault. How & what should i have to do now? Plz reply fast because new payment due date is 5/5/18.