
Deep in the desert along the border with Pakistan, India's most controversial billionaire is building the world's largest renewable energy park as he races to future-proof his coal-linked fortune.
Gautam Adani's ports-to-airports, media and energy empire -- which critics say has benefited from his links with Indian Prime Minister Narendra Modi -- made him for a brief time in 2022 the world's second-richest man, with a $154 billion fortune.