I have got AIR-6122 rank in iit-jee. which iit-college form should i fill-up.

Hi Rohit ,

Congrats on your Rank!!!

You wil get branches like chem . ,Bio. Tech , Bio Chem . textile , Metallurgy etc in old IIT's you will also have an option of a Dual Mech. , Dual Ece .

Aas about new IIT;s you will have a chance to get a bettter branch so i will suggest you to choose a IIT where you get a branch of your choice .

for more details check out below links 

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.

All the best !!!!

Anshul