Calcutta Electric Supply Corporation [CESC] — lt bill paid of dec 17 included in jan bill 18 customer id : [protected]

Address:

Kolkata, West Bengal, 700028

Sir,
I beg to refer that i have paid bill of dec 17 of amount rs 2770 on transaction date:3/2/18 and transaction ref. No: [protected] by debit card but to my surprise again green bill came on jan 18 which is to be paid on 20/2/18, amount is rs 4510 which include previous bill of nov 17 and dec 17.

Sir please rectify the bill and help the undersigned and help me to overcome this type tension in my life.
Thanks
Siddhartha sengupta
Customer id : [protected]
1, rishi bamkim chandra road
Dum dum cantonment
Kolkata: 28
Mobile: [protected]