The repurchase under the bank's 2015 capital plan is in addition to the $6.4 billion of shares authorized for repurchase by the board last year.

The bank has got a non-objection from the board of governors of the Federal Reserve System to increase the amount for the share repurchase.

(Reporting By Sudarshan Varadhan in Bengaluru; Editing by Shounak Dasgupta)