Professor of Physics, University of Maryland

Universitat de les Illes Balears

Universitat de les Illes Balears, Spain

Professor, Tata Institute of Fundamental Research, Mumbai, India

Institute of Space Science

Emeritus Professor of Applied Mathematics, University of Cape Town; FRS

Physics and Astronomy, University of British Columbia

Chandigarh University

astronomer, Technische Universität Dresden

Invertis University, Bareilly