Hello dear student,

As you want to make changes in your application form for the January 2020. So dear student for now the correction window of the form of JEE mains is open so you can go and change the details yhat you want to correct whatever you have filled wrong. It is a one-time facility for making corrections. Changes in the application form can be made till October 20, 2019 till 11.50 p.m. so I hope this was helpful to you.

Best wishes