Till yesterday, the IPO got subscribed 46 per cent.
Price band for the offer, which will close tomorrow, has been fixed at Rs 275-290 per share.
The public issue comprises sale of 1,91,246,050 equity shares, amounting to 9.55 per cent stake, by HDFC Ltd and up to 1,08,581,768 scrips, or 5.42 per cent, holding by Standard Life Mauritius.
At present, HDFC owns 61.41 per cent stake in HDFC Standard Life and Standard Life has about 34.86 per cent stake, while the remaining is with employees and PremjiInvest.
Morgan Stanley India Company, HDFC Bank, Credit Suisse Securities (India), CLSA India and Nomura Financial Advisory and Securities (India) are the global co-ordinators and book running lead managers to the offer.