hello aspirant.

I would like to tell you that if you have mentioned the wrong type of exam that you want to give in WBJEE application form, then you can correct that mistake when the correction window opens. The board will provide the correction facility for those candidates who have made mistakes in the application form. It is only one time opportunity for candidates to make corrections. After the correction period, no correction can be permitted .

Further, follow the below mentioned steps to knwo how to make necessary corrections in the WBJEE Form :

1. Visit the official website i.e. wbjeeb.in.
2. Click on the link for WBJEE form correction.
3. Enter Application Number and Password.
4. Submit and click on the 'Login' button.
5. Check and edit the details on the Application Form.

Further, for more information follow the below mentioned link to know more : https://engineering.careers360.com/articles/wbjee-exam-dates

I hope that this will help