Hello G Kavya,

Once form is submitted you can not add more details to it.If you have not mention then how can you get the benefit.Better you contact the Head Office of the NEET exam.They will help you out.

You can refer this link to get all mode of communication details :

https://cbseneet.nic.in/cbseneet/contact.aspx

Connect with them as soon as possible.

Hope I helped you.All the best for future endeavour!!