Billionaire Nandan Nilekani revealed that after graduating from IIT, he planned to join IIM but missed the entrance exam as he was unwell. "I'd been too lazy to apply for SAT and GMAT, so I had a loose end," Nilekani said. He then heard of Patni Computer Systems, met Narayana Murthy there and started Infosys, now worth ₹6.3 lakh crore.