Punjab State Power Corporation [PSPCL] — excess electricity bill regarding a/c no. [protected]

Sir/madam,
I am submitting attachments of the bills as ready reference.
I dalbir singh consumer of above electricity a/c no. I was issued a bill of rs. 30641.00 on 07/12/2017. I immediately contacted the concerned office and told them about my problem. They check my account and told me that there was an error in printing. They issued me new bill of zero amount.
Now i received my new bill of rs. 45220.00 i have paid my all previous bills and no bill is pending. You are requested to check into the matter make arrangements to correct it. I am submitting attachments of the bills as ready reference.
Regards
Dalbir singh