Astrophysics; Descriptive astronomy 9 Indian journal of radio and space physics 5 Dissertations, Academic (Ph.D) 4 Thesis (Ph.D)-Physics 4 Atmosphere 2 AUTHORSHIP STUDY; 1 Aerosols 1 Astronomy 1 Atmospheric tides 1 Atmospheric waves 1 Boundary layer 1 Comets 1 Cosmic rays 1 DOCTORAL THESIS 1 Electron degradation 1 Emissions 1 Exploration 1 Galilean satellites 1 Indian Ocean 1 Io (Galilean satellite) 1 Jupiter (Planet) 1 Nuclear counters 1 Nuclear physics 1 Particle tracks 1 Planetary boundary layer 1 Planetary system 1 Planets 1 Pollution 1 Satellites 1 Space plasmas 1