What to do if I have forgot to send the attested copies of my date of brirth certificate with IIT J EE ?

Your form might be rejected if you have missed attested copies of birth certificate to attach with application form .. You will be given one chance to correct it. The JEE Main form correction dates and details will be announced around 15 January 2014.

Candidates can make corrections to their online form from a given date.
JEE Main 2014 Application Form Correction Start From 1st Feb 2014.
Last Date for Correcting Mistakes in JEE Main 2014 Application is : 15th Feb 2014.

Contact details :
JEE(Main) Unit
Central Board of Secondary Education
Plot No. 149, Block - H,
Sector - 63, Noida - 201309
Distt- Gautam Budh Nagar (U.P.)
Telephone No.:0120-2427342, 0120-2427350
Helpline No.: 8506061072, 8506061073, 8506061075, 8506061076, 8506061077
Email: jeemain[at]nic[dot]in