By the area of interests you have put in you are interested in Engineering. So you have to prepare for any entrance examination like JEE MAINS & Advanced or State JEE's. Depending on your wish you can prepare and can pursue the engineering fields like:

• CSE
• ECE
• EEE

This fields will satisfy all the three interests. Also if you want to go for high level physics then you can go for examinations like KVPY through this you can study BS-MS Integrated courses from top universities like IISC. Also by clearing JEE ADVANCED you can study BS-MS at IIT's. Apart from this you can take admission in state colleges to study Physics as you bachelor degree course.

I hope this answer helps. All the very best for your future endeavors!