Reliance Infra buys backs shares of Rs 763 crBS Reporter / Mumbai December 10, 2008, 13:35 ISTAnil Dhirubhai Ambani Group (ADAG) company Reliance Infrastructure Ltd. (RInfra) has bought back 82,60,000 shares of Rs. 763.95 cr till December 5th under its buyback offer on BSE and NSE, says communique by the company to NSE