NEW DELHI — Ratan Tata has been a champion for the underprivileged and left an extraordinary legacy in India and the world, said global health leaders as they mourn the demise of the Chairman Emeritus of the Tata Group. The legendary industrialist and philanthropist passed away at the Breach Candy Hospital following age-related health conditions late on Wednesday. He was 86.  “Deeply saddened by the passing of Mr Ratan Tata – a friend, guide, mentor to many and a champion for the underprivileged,” said Soumya Swaminathan, former WHO Chief Scientist, in a post on X. While offering “prayers and condolences to his family,” she said his “legacy will live on forever”. In a post shared on X, Tata Memorial Hospital called him “a visionary leader with the highest integrity, but also an incredibly compassionate person. Truly a nation builder”. The business tycoon was also a former trustee at the US-based Cornell University “who became the university’s largest international donor – supporting scholarships, research to reduce rural poverty and malnutrition in India, and technology innovation,” the varsity said in a blogpost.  “Ratan Tata has left an extraordinary legacy in India, across the world and at Cornell, which he cared about deeply,”...