Dear richa

For further details you can visit the following:

http://www.askiitians.com/IIT-JEE-2010-Cut-Offs.aspx

http://www.askiitians.com/iits-2009-2010-opening-and-closing-rank.aspx

for cutoff in new IITs  check the link

http://jee.iitd.ac.in/openclose09.htm    (this link includes the more detail analysis)

for code of the cources check the councelling broucher 2009.

Please feel free to post as many doubts on our discussion 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.

All the best.
 
Regards,
Askiitians Experts
Badiuddin