Dear Subrata,
This will depend upon this years cutoff.. because it is expected to be almost the same and according to last years cut off.. you can qualify... refer to:
http://www.askiitians.com/iit-jee-2009-rank.aspx
http://www.askiitians.com/IIT-JEE-2010-Cut-Offs.aspx
These might help you to relate to last years scores.
I wish you all the very best. Hope you make it this year itself..
Feel free to ask as many questions as you like. We are happy to help.
Regards,
Askiitian expert
Charu Nigam