Mumbai facility is part of Reliance Industries, owner of world’s biggest oil refinery and funder of controversial mega-zoo

The Prince of Wales’s Earthshot prize will host its forthcoming annual awards ceremony at a venue owned by the billionaire Ambani family conglomerate, drawing criticism from conservationists over their fossil fuel businesses and their foundation’s controversial mega-zoo.

A spokesperson for the Earthshot prize, which awards £1m to five winners every year to invest in conservation work, confirmed to the Guardian and the news outlet Mongabay that this year’s ceremony will be held at the Jio World Convention Centre in Mumbai on 17 November.