Airtel — network issue and not receiving call from other users

Address:

380013

At my home, we 3 people using airtel services since long time. But from last 2 month we are facing very serious issues of network connectivity and internet speed is very much decreased. And it is very frustrating that someone call us and my mobile status shows switch off. So they did not connect with us. This happens from last 2 month but now a days the problem is increased so do the needful for.