Infosys co-founder Nandan Nilekani and wife Rohini have pledged part of their wealth to charity, joining the ‘Giving Pledge’ movement initiated by Microsoft founder Bill Gates and Melinda Gates where wealthy individuals commit part of their wealth to society. The Nilekanis have joined other Indian billionaires like Wipro Chairman Azim Premji, Biocon Chairman & Managing Director Kiran Mazumdar Shaw, and Sobha Ltd Chairman P N C Menon, to be part of the global movement for philanthropy. Each of those named above has committed half of his or her wealth to charity.