ExclusivesSynopsisThis company stopped being a coal-burning utility and became India’s largest private power distribution platform and one of its biggest renewable energy businesses. It doubled in size, and increased the share of clean power from a seventh to nearly a half. So did the business actually get better, or did it only get bigger while the country’s demand for power grew around it?Welcome to Bigger or Better, an ET Prime special series which comes every Tuesday and Saturday. What is the aim? Between 2014 and 2026, the stock price of literally every listed company in India moved up, some by…