Indus-Gangetic Basin (IGB) Focal Project is an initiative by the CGIAR Challenge Program on Water and Food (CPWF), lead by International Water Management Institute and with a host of global and national partners. Indus-Gangetic basin is one of the most populous in the world and given the diversity of agro-climatic, social and economic conditions in the four riparian countries - India, Pakistan, Nepal and Bangladesh, it is clearly one of the most complex river basin systems in the world.