Airtel — internet is not working and my message is not delivered any more

Address:

H NO 260/31, Gali No. 75, Bock D,, Laxman Vihar Phase 2 GURGAON

From 7 days my internet is completely shut and even there are others phone around me having airtel sim and their internet are working properly. And from last day, i could not able to send phone messages to anyone. Actually, because of internet problem my all work is stuck. I found difficulty. Even i checked setting tool in mobile that if there is any problem, but it seems all good, so please solve my problem so that i can work.
It is the second time when a complaint about my message problem that i could able to send messages to anybody. At previously it was solved but again same problem is started.