WBJEE

Hello Rakesh,
As per the present indication and information the exam is scheduled to be held on 19th of May 2019 and the application fill up will start roughly 2 months before this that. But I am sure this date is likely to change since JEE Advanced is scheduled to be held on 19th of May. I am attaching a link that will give you all the required information about this examination and all the issues concerning this. https://www-shiksha-com.cdn.ampproject.org/v/s/www.shiksha.com/b-tech/amp/wbjee-exam?amp_js_v=a2&_gsa=1&usqp=mq331AQECAFYAQ=#referrer=https://www.google.com&_tf=From %1$s&share=https://www.shiksha.com/b-tech/wbjee-exam
Best wishes to you.

To prepare for WBJEE 2019, a candidate should pen down a well-defined preparation strategy. A combination of knowledge about WBJEE exam pattern and syllabus, hard work, dedication and time management will help students taste the sweetness of a good result. Many experts and teachers advise to work hard regularly and consistently. To prepare for WBJEE 2019, a compilation of tips by are given below. Conceptual Clarity-Clear all the basic concepts of all the chapters. Take mock tests and solve previous year questions. Improve your concentration and Application skills. Study with patience and attention.
Revise regularly and have formula on your tips:
Keep calm and stay fit.
Regularly analyze your performance.
Make daily/weekly targets for yourself. Have proper sleep and diet. Prepare smartly as all subjects are important. Believe in yourself.
Best books for WBJEE 2019 Mathematics.
Textbook for Mathematics Class XI & XII – NCERT.
Mathematics - R. S. Aggarwal.
Objective Mathematics - R. D. Sharma.
Best books for WBJEE 2019 Physics.
Textbook for Physics Class XI and XII – NCERT.
Concepts of Physics - H. C. Verma.
Understanding Physics series - D. C. Pandey.
Best books for WBJEE 2019 Chemistry.
Textbook for Chemistry Class XI and XII – NCERT.
Physical Chemistry - O. P. Tandon.
Concepts of Organic Chemistry - O. P. Tandon.

Hi Aniket.
For JEE Mains Theory-
NCERT (must because JEE Main paper is set by CBSE which follows NCERT).
Concepts of physics by HC Verma.
For Practice:
Concepts of physics by HC Verma (it is very recommended for JEE aspirants, it will uproot all your doubts related to that topic once you finish its examples and exercise. ). (Its part-1 is really beautiful specially mechanics. )
NCERT (additional exercise, you shouldnot neglect it. )
3. Previous year papers of JEE Main + single correct questions of JEE Advanced. For JEE Advanced. For theory-
Resnick and Halliday / University physics
For practice-
Concepts of physics HC Verma
DC Pandey / Engage series
IE Irodov.