Mahanagar Gas — Showing wrong bill

Address: Mumbai City, Maharashtra, 400022

I have cleared all previous bill, cheque no 000285, date 07/07/2016. upto june. amount was 2586/-which is showing in my bank statement and i have spoken to your concern person regarding payment, and requested him to look after bill detail. but now latest bill is showing my dues which i have clear, that is disturbing me, so pls look after this issue,
thanks