Dear Jack , 

Overall Ranking of all the IITs keeps changing ... please check out the overall ranking based on various parameters  :

1 Indian Institute of Technology IIT Bombay

2 Indian Institute of Technology IIT Kanpur

3 Indian Institute of Technology IIT Delhi

4 Indian Institute of Technology IIT Madras

5 Indian Institute of Technology IIT Kharagpur
 
6 Indian Institute of Technology IIT Guwahati

7 Indian Institute of Technology IIT Roorkee

For more details please check out the links provided :

Click the link below link for opening and closing rank of IIT :

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

Cutoff in new IITs  check the link give below :

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 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.

Regards

Vijay Luxmi