Dear Aspirant,
You have made a mistake in your application form of
TANU UG. But don't worry about this matter.
Go to the official website of TANU UG authority and see the email address of the respective officials of TANU UG.
Then send him or her a request mail.
After receiving your e-mail, they will look into this matter.
There is another way.
Hold your breath and wait for some time.
The official website of TANU UG authority will give you a limited time period to correct the application form of TANU UG 2019.
Then you can correct your details.
Best of luck.
Have a nice day.
Hope for best.