it is depedent on the aiims dont think about it now.

but I think it will not affect you. but really you have made a silly mistake you should provide right information in the application form. 

As their is not any attempt limit so it will not affect but it is clearly depends on aiims.

If you want to contact aiims examination than you can visit on this link

Https://www.aiimsexams.org/info/ContactUs.html