Many students in India prepare and appear in IIT JEE exam, but very few of them gets selected . The reason behind this is the vast syllabus and level of haedness in the exam . So while preparing for IIT JEE you need to focus on some basic things . The most important thing is the concepts, we should have a clear cut picture of every topic in our mind, rather that learning methods we should work on learning the concepts in better ways . The another most important thing is practice, you should practice more and more questions so that you should get used to solving hard problems . Also you should practice previous years questions which got repeated two or more times in the exam . You should also learn some shortcut tricks to solve certain problems which would save your time during the exam . If you work really hard and prepare under right guidance, then definitely you will be able to crack the exam .