What should I studyto attend competitive Exam JEE,KCET

Competitive exams usually check your basic concepts and grasp on certain topics. For this every school board have some prescribed textbooks. The best way to start the preparation is to start with tha basic textbook. Learn the concepts, understand them and mark them important and not so important for later references. The exam syllabus must be handy every time you are studying some concept so that your path remains defined and not studying vaguely. After completing the basic books and practicing it several times you can move forward to standard books available in market for these exams. JEE habe become very competitive and coaching centres are trying their best to churn out the most. You can also take help of them, their notes and modules in order to have an extra edge. Completely depending on them is not a right track. Analyse your performance by giving mock tests time to time and keep track of your preparation.

All the best.