On the NSE, the scrip gained 17% to Rs. 51.20.
As per reports, the Aadhaar number repository and its IT infrastructure will be run by HCL Infosystems.
HCL Infosystems is now expected to develop an IT backbone for the Aadhaar project, and ultimately handle the data of all 120 crore Indian residents, the report added.
Meanwhile, the broader market, the BSE barometer Sensex was trading over 90 points higher at 17,680 at 1058 hours.