Should i buy books for iit jee? or should i purchase correspondence course from a coaching institute?

Go for correspondence course. The books available through correspondence course are very specific and to the point, so your time is not wasted on mugging up or mastering not so important topics. Correspondence course will help you in preparing strategically, that's the biggest advantage of it.

Go for correspondence course. The books available through correspondence course are very specific and to the point, so your time is not wasted on mugging up or mastering not so important topics. Correspondence course will help you in preparing strategically, that's the biggest advantage of it.