There are over one lakh Ganesh mandals -- groups which celebrate the Ganesh festival publicly -- in the state.
The decision was taken at a meeting of mandal representatives, including those of Brihanmumbai Sarvajanik Ganeshotsav Samanvay Samiti, the coordination committee of Ganesh mandals in Mumbai, with Dige.
Dige assumed charge as the state Charity Commissioner today.
The mandals also agreed to set aside at least 10 per cent of their donation collection, which altogether runs into hundreds of crores of rupees, towards education of economically backward students and for providing medical assistance to poor patients, a Ganesh mandal office-bearer said after the meeting.
Mandals were also instructed to organise blood donation camps and tree plantation campaigns, the office-bearer said.