[Resolved]  Airtel Postpaid — network error

I have been using airtel service since last 5 years with different make mobiles, now the network interrupts my calls in perticular area, I had registered several complaints on 121 and by meeting personally since 2 months, but still problem is unresolved.. on asking they says, it will take at lest 6-7 months to solve the matter..!!! yah, ofcourse i am receiving their calls once in a day but not for my problem but, to pay the bill.. I am not going to pay a single rupee unless and untill my complaint is resolved.