With $31 bln of debt, deep links to the banking system and a star role in India’s energy transition, the tycoon’s empire is a crucial part of the fifth-largest economy. In this week’s Viewsroom, Breakingviews columnists discuss how US bribery charges will test those dependencies. Visit the Thomson Reuters Privacy Statement for information on our privacy and data protection practices. You may also visit megaphone.fm/adchoices to opt-out of targeted advertising.