Hello, here I am providing you the details of the eligibility of IIT JEE exam as under:

Eligibility:
Candidates must have taken at least five subjects in class 12th/ qualifying examination in order to be eligible for writing JEE

Age limit:
Below 25 years
Candidates from the reserved class will be given 5 years relaxation.

No. of attempts:
03

Important dates:
IIT JEE 2016 Registration 29 Apr 2016
Last date to apply 04 May 2016
Availability of admit card 11 May 2016
Date of JEE Advanced Exam Paper 1 – 22 May 2016, 09:00 AM to 12:00 Noon
Paper 2 – 22 May 2016, 02:00 PM to 05:00 PM
Display of ORS and scanned images 01 Jun – 04 Jun 2016
Publishing of answer keys 05 Jun 2016
Feedback and comment on answer keys from candidates 05 Jun – 07 Jun 2016
IIT JEE 2016 Result 12 Jun 2016
Online registration for Architecture Aptitude Test 12 Jun – 13 Jun 2016
Architecture Aptitude Test 15 Jun 2016
Declaration of results of Architecture Aptitude Test 19 Jun 2016
Seat Allotment 20 Jun – 19 Jul 2016

Reservation:
Category Reservation
SC 15%
ST 7.5%
OBC-NCL 27%
PwD 3% horizontally