You can consider below criteria for WBJEE-
1. Aspirants should be citizens of India For medical and dental programs.
2. The minimum age of aspirants applying for WBJEE 2017 need to be 17 years on December 31, 2017
3. West Bengal domicile is required for government college and reserved category seats in private colleges.
4. The candidates belonging to general category must have secured minimum 45% aggregate marks in class XII or equivalent exam, while, SC/ST/PwD applicants must have secured a minimum aggregate marks as 40% in class XII or equivalent exam.

You can also check below article to check eligibility criteria for each university of WBJEE:

http://www.engineering.careers360.com/articles/wbjee-eligibility-criteria