Dear Aspirant ,

In the application form mention your passing year in the year you originally gave your 12th boards.

There is an option which asks if you are applying for improvement or not.Click a yes there and write your roll number in the box if it has been alloted to you.

And please go through the information bulletin of jee before filling up the form.

You must have to qualify in 12 boards before filling of jee mains form ,

Check the guidlines released by JEE to get a clear picture ,

For more college related queries check the given link below :

Hope this information helps you ,

THANK YOU .