Colleges in Orissa

Yes, you are if your AIR is 18360 but if this is your State rank then maybe not. From now on board marks don't affect JEE rank.
Good luck!

your eligible for doing engineering

Hi Niranjan!
If you are planning to pursue self-study, there are a few topics you should be thorough with: Game Theory, Probability, Statistics and Economics. Also, you should definitely be updated with the latest developments in the market. You should definitely solve at least 23 years old papers of these institutes you would be appearing for.

Both are same except the fact that GCET is affiliated to AKTU while the other is a deemed university.

I would suggest to go for AKGEC if you are getting, if you have no choice left them go for KIIT. AKGEC is among top colleges in UPTU and if you take CSE/IT, then you will get placed with nice package but if you take other branch then better go for higher studies. And same is for KIIT
Good luck. I hope it helps. Upvote if it is useful.

Each field has its own plus and negative point. But according to me, M.Sc biotechnology and M.Sc forensic science are good for you but you have to study hard for forensic science.

Both the brands BITs and IIT are prominent ones. Difference lies in the fees, location near your home, curriculum, placement stats etc. There is difference between the subject content of both the branches. Check this link to know about ECE. http://www.bits-pilani.ac.in/Hyderabad/EEE/Programmes
Make your decision wisely.

Yes, you can take admission in Trident Academy of Creative Technology for B.Sc (Hons) in Biotechnology.

No. Unfortunately, as of now, SSC boy students don't get hostels.