Hey.

You can get admission in Amrita school of technology by AEEE and JEE mains too. To be eligible to take admission under JEE Mains you should  have scored an aggregate of 60% marks in Mathematics, Chemistry and Physics and minimum 55% in each of these subjects. In this case you're not eligible.

But you will be eligible through JEE Mains.

JEE Main Candidates  are eligible regardless of the eligibility criteria above if they  qualify JEE Main 2019. As you're eligible to take JEE Mains you will need to qualify it and score well enough to take admission here.