Mumbai`s civic body on Thursday banned domestic Ganpati idols made of Plaster of Paris and said such idols with a height of up to four feet must be made of `shadu` (fine, dry clay) soil and eco-friendly materials.

The decision, which was taken during a meeting chaired by municipal commissioner IS Chahal, was aimed at promoting environmentally friendly Ganeshotsav celebrations this year, the Brihanmumbai Municipal Corporation said in a release.