Airtel — no network coverage in our are

Address:

Bellary, Karnataka, 583101

Im residing in 94 2b3c fort main road bellary karnataka my mobile no. [protected]..I am not able to get call or i can make call or get data in my are from last one month..I have given complaint regarding this but no use..Pls look into the matter..Only single tower will come wen we are on the road..But in the house allways not reachable..