Hi Gauresh

Look no one can deny the fact that coaching is very important and essential for the students appearing for JEE or neet  as Coaching provide a trick and tips to solve the questions but no one say that students can't crack the jee advanced on their own 

Yes u too can do it just u have to word hard on right direction

Best of luck

Dear aspirant, 

Yes there is nothing impossible. For that you require two things determination and Consistency. You can study yourself with the recommended books. But you should join the test series at the end which will help you in time management and also provide you the exam time scene.

So by consistently doing hard work and joining test series you can achieve your target. 

GOOD LUCK.