Hello.

JEE mains is a must exam to be appeared by every student who intends to join into Engineering colleges across the country. JEE mains gives you the availability to apply across NIT's and other top engineering colleges based on the score you obtained. Qualifying JEE mains, you are eligible to write JEE Advanced which allows you to apply for the IIT's.

Hence, JEE mains is a mandatory exam to be appeared so as to attain seat in your enquired college too.

Hope this helped. All the best