It is now mandatory for citizens and organisers of various pandals to immerse the Plaster of Paris (PoP) idols only in artificial lakes during the forthcoming Ganesh festival this year.

The Brihanmumbai Municipal Corporation (BMC) also made it compulsory to mention on the idols that they are made of the 'Plaster of Paris', while giving permission for such idols this year as "a special case".