Sabarmati Gas — Errors in job billing

Address:

Gandhinagar, Gujrat.

Customer id[protected]
i have a flat at atpl, adalaj - 382421, which is locked from more than 20 months. I am staying at mumbai.
However recently i find bill of rs. 1198.00. So far already i have a credit balance of about rs.1000. Eventhouh i paid rs.1198.But recently within month i find bill of rs. 292 without using anything as still my flat is locked.
So please refund my hard earned money as i am senior citizen and have a very. Limited income. Kindly send me details of the bill also urgently.. My email id [protected]@yahoo.In