India's biggest-ever share sale, by home-grown software services giant Tata Consultancy (TCS) was more than ten times oversubscribed.
Tata Group Chairman Ratan Tata at press conference in Bombay
The share offering opened on 29 July, and was sold out by the second day.
"We knew that we had a good story going . The retail application could be crossing a million anytime now," said S Mahalingam, TCS's financial officer.
The debut share offering will rake in $1.2bn (£660m) for the software firm, which is being spun out from Tata group
It is one of India's biggest private business empires with interests which range from tea to trucks.
A 60% portion of the issue, which was set aside for institutional investors, was oversubscribed eight times.