Mumbai’s Ganeshotsav celebrations will take a sustainability-focused turn this year, with organic waste generated at Lalbaugcha Raja being converted into renewable electricity for four civic-run hospitals. At the same time, a new system has been introduced by the Brihanmumbai Municipal Corporation (BMC) to retrieve and recycle Plaster of Paris (PoP) Ganesha idols after immersion. Wet waste generated by the prasad community kitchen of the Lalbaugcha Raja Sarvajanik Ganeshotsav Mandal will be segregated at source before being transported to biomethanation plants at Nair Hospital, Kasturba Hospital, GTB Hospital and Sion Hospital.
Around 8 to 10 tonnes of organic waste is expected to be generated every day during the 11-day festival. According to the BMC, approximately 7,744 units of renewable electricity are expected to be produced from the waste. The electricity will be used at the four hospitals for lighting wards, corridors, common areas and other facilities.
Another major waste-management initiative has been introduced for PoP Ganesha idols. For the first time, idols immersed in artificial ponds, temporary tanks and other water bodies will be retrieved and recycled by the civic administration. A ward-level standard operating procedure has been issued following directions from the Bombay High Court. Under the SOP, immersed idols are required to be retrieved within 24 hours. Protective equipment will be used by personnel handling smaller idols, while cranes and mechanised equipment will be deployed for larger ones. The recovered idols will then be transported to a storage facility at the Mulund dumping ground for further processing.
An estimated 2,850 tonnes of retrieved PoP is expected to be processed through chemical disintegration or similar methods. The recycled material could subsequently be reused for making idols, plaster boards, ceramics, medical plaster and bricks, or as filler material in the cement industry.
Meanwhile, the first look of Lalbaugcha Raja 2026 has been unveiled ahead of Ganesh Chaturthi. A grand temple-inspired pandal has been created, featuring intricate brickwork, gold-plated elements and imposing gates. A massive Shivling inspired by Ujjain’s Mahakaal forms part of the design, while a towering Lord Shiva installation holding a damaru and kamandalu overlooks the entrance. Lalbaugcha Raja has been presented in a traditional orange dhoti this year. Darshan will begin on September 14 and continue until September 25, with sustainability measures being integrated into the management of one of Mumbai’s most prominent Ganeshotsav celebrations.
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