Municipal Corporation Of Greater Mumbai — unauthorised 6 road cats in our neighbors flat

Our neighbor is 6 road cats in his flat. They dont have any license for their cats. And they keep their cats on our common floor and cats are roaming on whole common floor and if we keep our door open cats are coming in our home also
If we tell them to keep their cats in their house. They threats us to hit us.
Kindly take necessary action against them.
Their address: flat no.502, 12-c1, sankalp building, sanghasrh nagar, chandivali, sakinaka, andheri (East), mumbai - 400072.