Is solving JEE coaching material sufficient for the JEE Advanced?
It is difficult to say surely that JEE coaching materials are sufficient for JEE advanced. It will depend on the coaching institute how they have made their coaching materials and how relevant to the exam. If the coaching materials are good that you can understand the concepts, it covers all the topics in detail and after studying these materials you can solve Advanced level problems then it can be said that these coaching materials are sufficient for JEE Advanced. But in most of the cases it does not happen. You need to take help from other books. After studying the topics always try to solve previous years questions as it is important which will give you an overview of actual exam. You can connect with JEE toppers and talk to them that will also enhance your preparation.