Delhi Jal Board — Water overflown from sewer

Address:

AA - 48 first floor shalimar bagh new delhi - 110088

I am a resident of AA block shalimar bagh, next to our premises one sewer is getting overflowing since many days which causes foul smell etc. we had made a complaint to particular authority but no response . i request to you please resolve this issue as soon as possible.
contact no : [protected]