1. Central Head Quarters Geological Survey of India Kolkata India
2. Department of Applied Geophysics Indian Institute of Technology (Indian School of Mines) Dhanbad India
3. Supdt Geophysicist Geological Survey of India, Western Region Jaipur India
4. Dy Director General (Geophysicis, Retd) Geological Survey of India Southern Region Hyderabad India
5. Supdt Geophysicist Geophysics Division Geological Survey of India Southern Region Hyderabad India