Hi Aspirant,
Hope you are doing great as per the question asked by you as you have made mistake while filling up the form you should definitely mail to the required authorities regarding the mistakes you have sometimes correction window is given to the students to correct the mistakes if made any during the process.
Hope you found this answer useful.Stay motivated stay positive.
All the best!
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile