Hey Aspirant,

First of all no one is born intelligent. You just need hard work and it's proven that average students turn out To be most successful than intelligent ones as they keep doing hard work unlike intelligent students. So don't worry you will be able to crack any exam and get your favorite college.

• Keep yourself motivated and watch motivational videos
• Keep yourself Updated about all the new opportunities
• Make a goal table and give yourself  a daily target in order to get success
• There are many online resources for JEE mains preparation so you can follow that

Hope this helps,

All the best and Thank you!