Then what do coaching institutes claim to do 5 years back?

Since it is simply impossible to start with JEE level topics at such an early age, what they generally want to start with is basic analytical thinking, and developing your logical abilities. But there is a big exclamation mark here: When you are in, say, 9th, or 10th, the board examinations definite

Claims are their marketing tricks. Contact the alumni to hear a better say about the institute.