The radio dichotomy in the observed quasar population (only 10%-15% of all quasars are
radio-loud) in the Universe is still an unsolved problem in extragalactic astronomy. Using the spectroscopic quasar catalog from the ...
The cosmic dawn (CD) and epoch of reionization (EoR) is one of the least understood
episodes of universe. The cosmological 21-cm signal from neutral hydrogen, which is
considered as a promising tool, is being used to ...