I'm in class 11th nd I am a cbse student..for pysics chemistry and maths which refrence book is good..for jee and also for boards....

Hello Aspirant,

Firstly I would suggest you to go well with NCERT books then you can prfeer the other books with the given below link.

https://engineering.careers360.com/articles/best-books-for-jee-main

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Keep NCERT for clearing and building up your basics and for extra material you can buy the books below

( I m mentioning names of the author )

Physics

1. Hc verma( 2 volumes)

2. Dc panday(5 volumes)

3. IE irodov

Maths

1. Cengage publications books for iit jee

2. SL looney for trigo

Chemistry

1. Solomon and fryhle

2. Jagdamba Singh

Hello,
There are many books you can refer o.
For chemistry, NCERT textbook should be fine
For physics, HC Verma is great. Try to solve all the problems in the book
For mathematics, go through Cengage and Arihant publications.

Train yourself, by taking multiple mock tests, and go through all previous years papers.
All the best!