Airtel — message not receiving or sending

Address:	Pune, Latur, Maharashtra, 413512
Website:	Airtel

My Aitel Mo no [protected] Not Massage not receiving or sending
Since last 1 month .Going to Airtel store they are change my sim but still same issue .After i call several time in customer care but they does not support.

My All the bank Transaction and all other transaction pending .
After change sim issue not resolved they suggest me you port your no in postped such painfully.
Lot of time hammer in last one month

Please help me and solve the problem for your end.