On 4 April 2013 , a building collapsed Catastrophe on tribal land in Mumbra , a suburb of Thane in Maharashtra , India .

On 9 April , a campaign Social_event began Process_start by the Thane Municipal Corporation to demolish Removing area illegal Legality buildings , focusing Aiming first on `` dangerous '' buildings .

The forest department said Statement that it will address Change encroachment Damaging of forest land in the Thane district .

A call centre was established Creating by the Thane Municipal Corporation to accept Receiving and track resolution of caller complaints about illegal Legality buildings .