if u r preparing only for one year then understand dis clearly that things are gonna be tough for u, so be ready for it, i cracked jee 2012 by self study(no coaching at all) while preparing alongwith my board exams, so its not impossible but all u need is a lot of determination and hardwork, enroll urself in a gud coaching institute, i dint went for it coz of some reasns, but ur rank greatly improves if u work hard while being enrolled in a gud coaching. rest is practise as many problems as possible.. and try understanding the concept, dont mug dem up.and since u studied nothing for jee in 11th so, make ur concepts of class 12th very very strong, only den u have a chance to crack jee,all d best
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