Hello Pradeep Kumar. Thanks for contacting Careers360 and we hope we will be able to answer your query. 

I would like to direct your attention to this Careers360 article for more information about the exam pattern of WBJEE:

• https://engineering.careers360.com/articles/wbjee-exam-pattern

Please note that there are three categories if questions. Questions in category 1 are +1 and - 1/4. Questions in category 2 are +2 and - 1/2. Questions in category 3 are +2 and 0.

Hope this helps you and all the best!