Hello Sandeep,

Best Post Graduation Diploma courses after B.Sc Physics are mentioned below.

Post Graduation Diploma in Astronomy

Post Graduation Diploma in Artificial Intelligence

Post Graduation Diploma in Data Science

Post Graduation Diploma in Physics

Diploma in Medical Lab Technology

Post Graduation Diploma in Radiation Physics

Post Graduation Diploma in Nanotechnology

Post Graduation Diploma in Machine Learning

Diploma in Operation Theatre Technology

Post Graduation Diploma in Community Health Nursing

I hope this helps you.

All The Best!!