"To raise equity capital of the Bank by diluting GOI holding up to 52 per cent, on obtaining necessary approval government," the bank said in a BSE filing.
Government shareholding in the bank was 65 per cent at the end of September 30.
Last year, the government allowed public sector banks to to bring down its stake to 52 per cent so as to meet capital requirement.
As per law, government holding at any moment must not come below 51 per cent to maintain the public sector character of the state-owned banks.
It further added that the bank has got board approval to raise Tier 2 capital up to an amount of Rs 1,000 crore in one or more tranche, in one or more instruments.
Shares of the bank closed down 0.80 per cent at Rs 43.45 on the BSE.