“We now wish to inform you that the bank proposes to raise funds by issuing senior unsecured taxable redeemable non- convertible debentures of Rs 10 lakh each for cash at par with base issue size of Rs 2,000 crore and green-shoe option to retain over-subscription of Rs 3,000 crore thereby aggregating up to Rs 5,000 crore,” Axis Bank said in a regulatory filing.