Rumours are rife that India-born Ajit Jain, who currently serves as the President of Berkshire Hathaway's Reinsurance Group, may lead the $530 billion (Rs 36.74 lakh crore) firm in future, succeeding Warren Buffett at the helm of the company. The billionaire investor dropped a hint on his succession plans at the firm's Annual General Meeting (AGM) on Saturday.