Airtel — validity of lifetime

Address: 421567, N.G.O.Colony, YSR, Andhra Pradesh, 516002

My mobile no :[protected], it is got from telenor mobile service on 28/12/2015 on the basis of lifetime, meantime the airtel take over the telenor.
But the airtel stop the incoming services on 09/02/2019. It con't change as their convenience.
198, 121 and 12118, not working.

I pray to resolve my network validity as lifetime validity.
It is liable to my inconvenience and damages.