There are several government job opportunities in India for B.Sc. Physics Graduates. These jobs can be found at various government departments, organizations, and agencies. Here are some of the common job options:

1. Indian Space Research Organisation (ISRO): ISRO offers various scientific and technical positions for physics graduates in areas such as research, development, and satellite technology.
2. Defense Research and Development Organization (DRDO): DRDO provides opportunities in research and development in the field of defense technology, which can include work related to physics.
3. Indian Atomic Energy Commission (IAEC): B.Sc. Physics graduates can work as scientific officers or assistants in nuclear research and related fields.
4. Indian Meteorological Department (IMD): Physics graduates can find positions as meteorological assistants and scientific officers to work in weather forecasting and related activities.
5. Bhabha Atomic Research Centre (BARC): BARC offers positions for scientific assistants and officers, and it’s involved in nuclear research and development.
6. National Aeronautics and Space Administration (NASA): You can also explore job opportunities with the Indian counterpart of NASA, the Indian Space Research Organization (ISRO).
7. Staff Selection Commission (SSC): The SSC conducts various examinations, such as Combined Graduate Level (CGL) and Combined Higher Secondary Level (CHSL), which can lead to government jobs in various departments.
8. Union Public Service Commission (UPSC): The UPSC conducts civil services examinations (like IAS, IPS, IFS), where physics graduates can also apply.
9. Bank Exams: Many public sector banks conduct recruitment exams like the IBPS PO, SBI PO, and others, where physics graduates can apply for officer-level positions.
10. Public Sector Undertakings (PSUs): Some PSUs, such as BHEL, ONGC, and NTPC, offer engineering and technical positions where physics graduates may find suitable roles.
11. Teaching and Research: You can pursue a career in teaching and research by pursuing higher education (M.Sc. and Ph.D.) and becoming a lecturer or researcher in government colleges and universities.
12. Railway Recruitment Board (RRB): The RRB conducts exams for various technical and non-technical posts that physics graduates can apply for.
13. Public Service Commissions (PSCs): State and central PSCs conduct exams for various government positions, including scientific officers and other related roles.

Remember that each of these organizations may have specific eligibility criteria and requirements, so it’s essential to check their official websites and notifications for the most up-to-date information on job openings and application procedures. Additionally, preparing for competitive exams and interviews is crucial for securing government jobs in India.