Mukherjee said while India was the founding member of the ADB in 1966, its lending operations in India began two decades later.
"This 25 years of partnership has been an exciting and challenging journey," he said, adding the he was "honoured".
As a major multilateral lending organization, the Manila-headquartered ADB has 67 members, of which 48 are from Asia. The US and Japan are the largest shareholders of the ban while India is the fifth largest.
"ADB's three-year country operations business plan for India for 2012 -2014 will provide lending assistance of $6.25 billion to support inclusive and environmentally sustainable growth," secretary ADB Robert Dawson told PTI.
The lending support will go to key areas like transport, energy, urban development, agriculture natural resource management, finance and education.