Hello Raghuvendra,

Getting full out of full marks in all the three  subjects of JEE Mains is not at all an easy task. This requires lot of dedication, concentration and focused study. Each and every second will be important for you. Side by side you  should also take care of your health because a healthy mind resides in healthy body. Choice of correct books is also a great factor for your preparation. Below are some books that will surely help you  out in numericals as well as in theoritical concepts -

1. For PHYSICS - Irodov, H.C. Verma, D.C. Pandey, Arihant Objective Physics

2. For MATHS - M.L. Khanna, R.D. Sharma, SL Loney

3. For Chemistry -  OP Tandon, RC Mukherjee, Arihant Objective Chemistry