Hello student.

Actually between those two engineering colleges I will suggestive for NIT Agartala. It is one of the best engineering colleges in India which accures n i r f ranking of 75th. They have great campus and facilities. Actually there is no mention of placement rate India website. But the average salary package is about 7 to 8 lacs per annum. You can go through this link to know more about this

https://www.careers360.com/university/national-institute-of-technology-agartala