Hello student,

If you've forgotten your application number, you can try the following:

1. Check it on your previous emails (confirmation email NTA sends when you'd first registered)

2. Check it on your admit card

3. On the NTA portal, there's a tab "forgot application number". Click on that, and you'll be asked to enter your credentials and do a short verification, before you get it via email

If you need information regarding which colleges you would be eligible for based on your marks and details, then you can refer to the Careers360 JEE Main College Predictor: https://engineering.careers360.com/jee-main-college-predictor?