Hey aspirant

Your 12 mark have no role in predicting your jee rank. Earlier candidate with 75% in 12 was only alloted to write jee.  But now all candidates with 12 can write jee mains. A general candidate should get above 88 percentile for qualifying. All those who qualified jee mains can gave jee advanced. IIT admission is based on jee advanced score. For getting IIT a general candidate should score above 98 percentile . With conceptualized and systematic study you can crack jee advanced and secure admission in IITs.