hey venkateswarulu.

if you submitted your NEET application before the deadline, you can edit your application during the correction window provided by NTA from January 15 to January 31, 2020.

if you are sent a notificaion about image discrepancies, you have to edit the image. You can also edit Personal details ,Birth place, medium of question paper, NEET exam centres 2020 preferences ,Class 10th academic details, Class 11th details ,Class 12th education, Permanent, correspondence address and contact details.

hope this helped

all the best