1. KSK Geomagnetic Research Laboratory Indian Institute of Geomagnetism Allahabad India
2. Department of Physics Doon University Dehradun India
3. Department of Physics Banaras Hindu University Varanasi India
4. Indian Institute of Geomagnetism Navi Mumbai India
5. Department of Marine Geology and Geophysics Cochin University of Science and Technology Kochi India