Municipal Corporation Gurugram [MCG] — Sewage manhole cover

My house is 543; sector 15 Part 1.
There is sewage hole is in front of my house. This is not covered properly and require repair work. Actually 2 or 3 days back sewage person came as flow of sewage was stopped of house in front of my house. They came and opened the sewage hole and arranged to clear the flow of that house. However during this process the sewage hole cover was removed but it could not placed properly covered. As a result the bad smell is flowing and latest the whole is filled up to beam. Kindly help us to clean the sewage and more so cover the manhole properly.