hello abhijeet......

to crack jee mains in three months it is little bit difficult task but it is possible by following the given steps

first make a plan so that you can get little bit analysis about your syllabus or topics and now according to your timetable start preparation by managing your time

divide your day into three equal parts so that you can cover all the three subjects and finish your timetable by evening and revise the topics again of that dau

and try to solve mock tests and minimum 200-300 daily

i hope this information is helpful

all the best.