In india many institutions accept applications from students with diverse undergraduate backgrounds in their masters degree.so you can apply for m.a physics in various universities check the specific eligibility criteria of the physics program you are interested in whichever university you are keen to take admission.if they allow the students from ECE background you are eligible for that university.

Read all the details of the course it might include entrance exam before admission.this course open up new career paths in research, advanced materials science, or specialized engineering fields that heavily utilize physics principles.