India inc’s business calendar has only one contender to rival Berkshire Hathaway’s famous shareholder gathering. The subcontinent’s equivalent of that “Woodstock for capitalists” is the annual general meeting of Reliance Industries. Like Warren Buffett’s shindig it usually features a celebratory crowd of devoted investors (although not the same quality of corporate-finance insights). The company’s founder, Dhirubhai Ambani, an…