Physics Spl

Some of the popular courses you can take up after your class 12th are as follows:
1) Engineering
2) Architecture
3) Merchant Navy
4) Commercial Pilot
5) Bachelor of Science
6) National Defense Services-Indian Navy Officer, Indian Air Force
7) Railway Apprentice Exam
8) Business Administration and Management Studies
9) Commerce
10) Arts and Humanities

Please refer to the link provided below for details regarding admissions in Berhampur University for Master's degree in physics. You can download their brochure which contains details regarding admissions, course eligibility, entrance exams conducted (if any), placements, rankings and reviews.
https://www.shiksha.com/university/berhampur-university-orissa-other-26281

Please refer to the link provided below for details regarding admissions in FC, Pune for a course in B.Sc Physics. You can download their brochure which contains all details regarding admission criteria, course eligibility, fee structures etc. Considering you have scored 84% in your exams, it should be an added advantage for your candidature.
https://www.shiksha.com/college/fergusson-college-fc-pune-fergusson-college-road-25748

Please refer to the list provided below for colleges which offer courses in B.Sc. Physics in India.
NCHMCT JEE.
Christ University.
Mount Carmel College.
Loyola College.
Stella Maris College.
Hindu College.
Top Central Universities. University of Delhi. JNU Delhi. IGNOU Delhi. Banaras Hindu University. Top State Universities.

Please refer to the link provided below for details regarding admissions in Osmania University for B.Sc. in Physics. You can also download their brochure which contains reviews and rankings, placement information, fee structures, etc. Go through the reviews once, and make up your own mind whether the university is good for you or not.
https://www.shiksha.com/university/osmania-university-hyderabad-25100

Yes, you are eligible according to the eligibility criteria for NEET 2018 exam. For exact details visit:
https://scoop.eduncle.com/neet-exam-eligibility-criteria
According to this criteria, a student must have Physics, Chemistry and Biology as his main subjects in the 12th Board. Other than that, apart from English, he/she can take other optional subjects of their will.
So, congrats.