Number 1 coaching institute in world for IIT-JEE. Sincere efforts put in there guarantee your selection in top 1000 in IIT-JEE. Just follow Vidyamandir blindly and I guarantee you will see yourself among the top rankers in IIT-JEE exam. I suggest if you are selected do join it. Though its really tough to get selected but if you get a chance do join it. Its gonna be a gateway to IIT.