radio astronomy for Astrophysics molecular clouds physics space masers giant atoms in Space star formation processes (research and investigation) physical conditions in the diffuse interstellar medium supernova remnants and the interstellar medium radio emission of radio galaxies and quasars interplanetary plasma and solar wind investigations how perturbations propagate in the interplanetary plasma is studied Northern Hemispheric isotope construction catalogue of radio sources active galactic nuclei are studied VLBI (Very Large Baseline Interferometry) pulsars physics which are neutron stars pulsar radio emission is studied in the context of microstructure of pulse and the mechanism involved. establish pulsar time scale by timing of pulsars.[1][3]