Mumbai, March 24 -- He has cooked for Prince Charles, and been a regular on British TV. But for London's Michelin-starred chef Atul Kochhar, 49, the most exciting challenge remains experimenting with local produce and giving it an Indian twist. Born in Jamshedpur, Kochhar became the first Indian to be awarded a Michelin star when his debut restaurant Tamarind received one in 2001. He went on to open Benares at Mayfair in London, which also bagged a Michelin star, in 2007....