Municipal Corporation Of Delhi — sewage pipeline broken

Address: J-67 Beri Wala Bagh Hari Nagar New Delhi-110064

I am a resident of j-67 beri wala bagh, hari nagar, new delhi-110064.
All the pipelines had changed in the month of january in my area but from last two weeks sewage water is coming inside our home because some piple line got broken.
Despite of frequent visits to the concerned mcd office no action has been taken yet.
I request you to please rectify this issue.
It is causing lot of trouble to us and we are afraid that it might cause any disease too.