Municipal Corporation Of Delhi — overflowing of sewer line

Address: F 61,62 ,63, 64, 65 well no 2 , centre wali gali , katwaria sarai, 110016

I'm living near well no 2, centre wali gali, katwaria sarai, Hauz khas New Delhi . The problem is of drainage. Here a sewer line max of the time remains full and start to over flow. Local people have complained several time, every time workers come and get it correct but it again starts over flow after 5-10 days. After over flow it becomes very difficult to cross that area due spreading of sewage discharge and unpleasant smell. Please fix this issue.