Some studies on VLF atmospherics
Study of the system KalSi2O6-Ca2MgSi2O7-NaAlSi3O8-SiO2 Under atmospheric pressure and its significance
Irregularities and movements in the upper atmosphere
Some aspects of air pollution meteorology of Visakhapatnam
Some upper atmospheric studies using the ground based night airglow measurements
Studies in the compositions of upper atomosphere
Dynamics and composition of the thermosphere