The IPO to raise Rs 1,912 crore received bids for 1,08,56,43,264 shares against the total issue size of 3,76,95,520 shares, data available with the NSE till 1515 hours showed.
The offer was subscribed 1.36 times till yesterday.
AU Small Finance Bank on Tuesday raised Rs 563 crore from 34 anchor investors.
Price band for the offer 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.