Hai aspirant , I hope You are doing good. As you did
Your b. Sc physics I would suggest you to go either for M. Sc physics as the subjects in M. Sc are linked with your graduation as you are familiar with them in graduation . You can gave entrance for government universities as there fee is also less and you get lab facilities in good way. There are many universities who offer these courses like delhi university, central universities, different state Universities like Punjab university, Himachal pradesh university etc after that you will go for Phd, you have to pass NET either Lectureship or JRF so that you will get good stipend. And after NET you can teach in private colleges too
Second option go for B. Ed as this 2 year course help to go in teaching profession, after b. Ed you can join any private school, Open your academy or have a opportunity to work in government sector as  teacher. Like NVS, KVS or army school or government schools.
For government colleges you have to hold top ranks in merit list . Government colleges have very low fee as compared to private.
For more info

https://university.careers360.com/colleges/list-of-msc-in-physics-universities-in-india

Dear candidate after B.Sc Physics the best career that you can choose will be M.Sc Physics. As you Physics is such a career topic which has ever-growing demand, after completion of M.Sc Physics you will be one step ahead in making better career profile. In the interview you are going to succeed definitely, your salary package would vary from 4-5 LPA after successful completion of M.Sc in Physics.

Hope it helps!!