Physics

Degrees in physics exist at the Bachelor's, master's, and doctoral level, though most professionals in the field of physics hold doctorate degrees. The physics career field is broad, and in addition to choosing a particular discipline to pursue, physicists have the option of working in private industry, academia, or for a government agency. Most physicist positions require individuals to hold doctorate degrees in fields related to astronomy or physics, and postdoctoral experience may also be required for some positions. Although licensure is not typically required for professionals in this field, some government positions may require physicists to submit to background checks in order to gain security clearances. Regards.

It is really good to see your enthusiasm towards National Cadet Corps. I can assure you that you won't regret your decision of joining NCC ever!
To get all the benefits of NCC ( in jobs, scholarships etc. ), you need to be a C certificate holder, which you will get after successful completion of three years in NCC and also clearing the B certificate exam in the second year of NCC. As B.Sc. Course lasts for three years and you are already in your third year of graduation, you will be able to enjoy NCC for one year only. To continue your journey with NCC, you will have to take up admission in another course of duration atleast 2 years or if you are really interested you may take up an open course in an university having NCC programme to further complete the remaining two years of your NCC.