Dear Akshat,

At present, all students including SC/ST/OBC candidates can attempt the IIT's JEE only 2 times.

Check out the criteria : http://www.askiitians.com/iit-jee-2010/

Please feel free to post as many doubts on our disucssion forum as you can. If you find any question difficult to understand - post it here and we will get you the answer and detailed solution very quickly. We are all IITians and here to help you in your IIT JEE preparation.