Prefer NCERT to build your basic concept and make sure you do each and every example and exercise questions of Ncert before jumping to a reference book.
After completing ncert jump to reference book mentioned below -
1) concept of physics by HC Verma
2) OP TONDON For chemistry
3) Rd Sharma for Mathematics & arihant practice book for WBJEE
Most important solve 5 previous year question paper.

Hello student the syllabus of WBJEE examination is very similar Jee main examination we've a knockout package for jee main you should go for that and subscribe it, it'll help you for sure.
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https://learn.careers360.com/knockout-jee-main-april/

Feel free to comment if you have any doubt
Good luck

West Bengal Joint Entrance Exam

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