Kerala

I cannot recommend someone. First, you decide your country, then select your university and course based on your budget, duration, part-time job opportunities and stay back options. then, look for a consultant who represents that university.

Hi,
You need to clear IIT-JEE Advanced as well, you can check the below given link-
https://www.iist.ac.in/admissions/undergraduate
If you have keen interest in physics and want to pursue research work in the field of astronomy/astro-physics/optical engineering then IIST will be best suited for you.
It asks a minimum rank in JEE-Advanced.
To get information about courses/placement/fee, check below given link-
https://www.shiksha.com/getListingDetail/25141/institute/college-Indian-Institute-Of-Space-Science-And-Technology-Iist-Thiruvananthapuram-India

Some cities in Kerala are developing into IT and ITES centres. You may prefer B.Tech CSE or IT based on your own selection criteria.

If you want to get good placements you should go to Ernakulam. Good colleges like SCMS, Rajagiri, Fisat, etc. are there. No top colleges are there in Thrissur.