how to prepare in the last 15 days right before the main examination? i.e., probably from 25th march, 2010.

Dear sailaskari

Its very important  time for students.in last days you should not go for any new concept ,and don't refer any new books .just revise your old notes and study material.

its time of revision and prractice for speed . solve sample paper at least 1 in 2 days. and while solving the paper in which topic u are not comfortable .then revise important concept and application of those topics from ur notes

do not waste your time in solving very difficult question .just refer to those problem and which are purely jee syllabus based.memorise the formulas of different topic.

 this is very critical moment ,engage urselef atleast 14-15 hour in a day for jee prepration . and in the last 4-5 day just solve previous 6-7  year JEE paper and practice the formulas.

Just stay calm and focus on understanding rather than mugging.

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Regards,
Askiitians Experts
Badiuddin