Yes, you can change or edit any type of details in your application form. To change your details you have to login into your account by using Registration number and password. You can change your details by using the correction window. Here's a list of the details you can edit:

1. Name

2. Image

3. Category - (General, OBC NCL, EWS, SC, ST, PWD)

4. Language

5. Paper

6. Aadhar number

7. Date of Birth

8. Communication address

9. Contact number

You might be charged with an additional charge if you're going to make a change in your application form. For more details please visit this link

https://www.google.com/amp/s/engineering.careers360.com/articles/jee-main-application-form-correction/amp

Good Luck.