I belong to general category and i am scoring around 220 marks in iit-jee 2010. Is there ANY chance of getting a rank below 3000? if not, what mite be the possible range?

Hi , 

your rank will be around 3500... chances of below 3000 is less ...

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.

All the Best !!