when they send message to correct the application form i want to correct the photo, 10th original marks card, and category
Aishwarya, NEET correction window will open from 15th January to 31st January 2020. You can make correction in your category during that period.
Although you will not be able to make corrections in the photo and 10th marksheeet unless notified by NTA to do so, through an email or SMS. Although if you are not informed to make corrections in your images, you can be assured that your uploaded images are correct according to the guidelines and you do not need to change it.