if a student passed his 10th in 09 but left his further studies ,now he wants to join his studies have he any chance left for iitjee yet?

whether the chance for appear for iitjee is counted on the basis of the year student passed his 10th or based on the year student passed his 2011.if a student passed his 10th in 09 but left his further studies ,now he wants to join his studies is he eligible for sit for iitjee 2013 and 2014