Hello aspirant,

Hope you are doing absolutely great.

So with regard to your query, YES you can change every option at the time when correction window is available. However, if you still have any kind of doubt as to whether such particular option can be altered or not you can contact the authorities and verify it once. So that you may not feel tensed. I'm providing you the contact the number, check it out once.

NEET contact number: 011-69227700 011-40759000

Hope this helps you,

Good luck, Thank you.