Physics

1) Concepts of Physics 2 1st Edition (English, Verma H C)
2) S. Chand's Principles of Physics for Class XI Paperback 1999
by V.K. Mehta (Author), Rohit Mehta (Author)Refer to these two books for preparation for your exams. It should help you out.
3) Handbook of Physics (English, Paperback, Keshav M Agarwal)

M.Sc. (Information Technology): Eligibility
Candidates can be eligible for admission if they fulfill any of the following conditions:
Bachelors degree in Information Technology / Computer Science / Physics / Stats / Electronics or equivalent examination with at least 45% marks in aggregate from a recognized university.
B.Tech./BE degree holders in Computer Science/Informational Technology are also eligible for M.Sc. IT course.
Aggregate percentage required in graduation or equivalent may vary from college to college.

Please refer to the link provided below for details regarding eligibility for JECA 2018. Important details like exam pattern, eligibility, syllabus etc. are mentioned at the link provided below.
https://www.shiksha.com/it-software/exams/wbjee-jeca

Hi Sharon,
If you want to apply for another Masters chances are less since you already hold one. Better you gain some work experience before applying for a double Masters now.

You should appear for NEET exam.

Please refer to the link provided below for an exhaustive list of colleges which offer M.Sc physics for study. You can download their brochure which contains details regarding fee structures of a course in M.Sc physics.
https://www.shiksha.com/science/colleges/m-sc-physics-colleges-india

Admission Process:
Admissions to all the programmes offered by TIFR (except science education) is based on a written test conducted by the institute. However, the institute also accepts GATE / NET / JEST scores for admissions to physics.
Students who get shortlisted will be called for interviews which is generally held from Feb to April every year.