To make a career in the subject for which you have inclination with your inner core of heart should not be overlooked and you need to collect information of the different colleges or institutions offering you a quality education in the area of Physics.
The choice of IIT for five year integrated course in Physics would definitely prove to a boon provided you qualify IIT main and Advanced so as to get a chance in any one of the IIT institution.
This institution would provide you to understand the different principle of Physics with an amicable way under the guidance of expert professors.
Physics contains a lot of sub branches and specialisations in such branches would make you proficient in the area of Physics.
Some areas of Physics which may fascinate you are Quantum Mechanics, Nuclear Physics, Electricity and Magnetism, Hydrostatics, Statics and Dynamics etc. Needless to say you should have sound grip of Mathematics to understand the nature of law including differential and integral calculus, Differential - equation, Vector, Fundamental Algebra, Trigonometry and so on.
Delhi University too would be the nice plateform for the persuasion of Physics.
Don't be confused with the limited chances in Physics.
With your better performance in M.Sc in Physics followed by the Ph.D degree will offer you openings in the Reasearch - laboratories, teaching profession in colleges, jobs in Atomic Energy Commission, Mumbai and other MNC Organisations.