NIT

You can refer following colleges:
Walchand College, Sangli
SGGS, Nanded
VNIT, Nagpur

Obviously, NITs are at first priority, but not all NITs are good. NIT Trichy, Warangel, Rourkela are the best then BIT Mesra, University of Pune are in the list. Good luck.

Yes, this year there is 10% increment in the seat of every college.

The final rank, corresponding to the percentiles, will be based on the best of the scores of JEE-Mains January 2019 and April 2019 exam. Kindly wait for the results to be announced and the cut off to be displayed.

NIT is National Institute Of Technology is well known institutions after IITs & IISERs. NIT provides various professional as well as non - technical courses like basic & natural science. Some private colleges are not as popular as NITs. NITs have quality education.The basic difference is quality education, placement, etc.

Hello!
NIT Jalandhar isn't really a great option since it is not that reputed as compared to the top 30-40 colleges in India. Avoid it and aim for the much better ones.

Hello Rajesh,I feel you will in fact have a better chance of getting job of assistant professor. However, if you are interested in joining teaching profession then I would like to advise you to go in for Ph.D immediatey. Best wishes to you.

Hello Manish,I feel the percentile that you have received is at very critical level. Many students are likely to appear again in April for improvement in their percentile. In such scenario, you too should appear and hope for improvement in your percentile. Once you do this I feel your chances will improve of getting admission. Best wishes to you.

Hello Akashdeep,
Your rank is just at critical level. It all now depends on how those placed above give their choices. Yes, you should get a good NIT etc. in the amount that you have budgeted. Best wishes to you.

According to my knowledge none of the NITs offers B.Sc in environment Science.