Kolkata pathfinder gives you the best coaching classes.their faculties are very good knowledgable most of them from iit.now a days our higher secondary exam pattern and jee exam pattern both are different so for good score with best rank pathfinder will show you the best ever way to crack.their library facilities is so nice you can read about a lot by taking their good facilities.they always give you a competive environment to always go ahed.their administration is very good .