You can track your admit card at: http://jee.iitm.ac.in/speetrack/index.php
See this also: http://jee.iitm.ac.in/admitcards.php
If the Admit Card is not received by March 20, 2011: you can obtain your registration number and examination centre from the institute of your zone through phone (IVRS – Interactive Voice Response System) / Website (APPENDIX-7). After obtaining the data, write your name, registration number and the examination centre on two identical halves of an A4-size paper. Affix your photographs (same version of photograph which you have pasted in your application form) one on each half and sign on the bottom of the photographs. Then get this attested by the Head of your School / Institution last attended / gazetted officer / notary public. Meet the IIT Representative with this paper on the day of examination (April 10, 2011) one hour before the commencement of the examination at the office of the Presiding Officer of the examination centre. The IIT Representative will accept one half and give the other back to you.