Uttar Pradesh Power Corporation [UPPCL] — bill amount related issue

I paid the amount of electricity bill 3 times of the same bill so that I paid 2 times extra amount (2*837) of my bill which I have to be paid.
My UPPCL Account No - [protected]
Bill No[protected]
The amount of my bill which I have to be paid - 837
The amount which I have paid - 3*837
So pls help me regarding my issue.