Web link reference manager

Free online reference management (web links ..).
Useful one check it out this http://www.connotea.org/ and sign up (similar to mail sign up) and make use of it.

Vadlo - Search engine for research scholar

check it out this search engine http://www.vadlo.com/ . Cartoons are nice check it out the recent one http://www.vadlo.com/Daily_Research_Cartoon.html.

Indian local search engine

check it out this site quite interesting http://www.guruji.com/