Some of the sites listed will have information and donation links to organizations, these organizations do amazing work and help many people. So if you are able to, please donate or spread the word about their work.
Research Related Links:
http://www.rasaindia.org/ - For only $33 a month or $400 a year, you can sponsor a child!
www.youthreachindia.org - Volunteer with an NGO or other group all over India, different volunteer opportunities are available
About Indian Weddings - Some info about Indian weddings that I went to