The IPO, to raise Rs 1,912 crore, received bids for 3,93,22,075 shares against the total issue size of 3,76,95,520 shares, reflecting an oversubscription of 1.04 times, data available with NSE till 1615 hours showed.
AU Small Finance Bank on Tuesday raised Rs 563 crore from 34 anchor investors.
Price band for the offer, which would close tomorrow, is Rs 355-358 per share.
The book running lead managers to the offer are ICICI Securities, HDFC Bank (Investment Banking Group), Motilal Oswal Investment Advisors and Citigroup Global Markets India.