These are not strictly 'NGO' links, but links that NGOs might find useful.

Donors
Scholarships
Support Scholarships and Fellowships for NGOs and Human Rights
Free books and stuff
Social Movements
Child rights organisations
Government of India

Human Rights Tools E-Library (another website)
Human rights instruments
Human rights manuals
Human rights institutions, organisations, networks, institutes...
Country-wise ratification of international conventions, date of entry into force and reservations submitted (another website)

[We have copied this from somewhere, but forgot where! If you know, then please let us know so that we can credit appropriately.]

International Laws on water
UN Environment Programme

International water laws

Indian waters
Ministry of water resources

World bank

River basins