Some Useful Links!!

Dr Rajus GRE  (Very popular forum site for GRE quantitative )

http://www.indiabix.com/ (interactive site- check the quantitative part)

http://grecenter.net/mainb.php?id=essentialgrelinks (links to many other GRE websites).

http://www.msinus.com/ (A site with info regarding Masters in th US)

http://www.greguide.com/

http://www.testmagic.com/