Airtel
No network in mayur viha

I am resident of aashiana apartment in mayur vihar Phase-1, delhi-110091, I purchase airtel no 9810186535 around 6 months before but in mayur vihar it dosnt work. i complaint for this 3 times but they said that we are doing work on it & the problem remains the same. I never use my cell at my home.

Please solve this problem