Studies of ionospheric drift velocities and irregularities at different heights over low latitudes
Investigations of ionospheric scintillations and wave instabilities in multi ion plasmas
HF doppler studies of the equatorial ionosphere
Ionospheric studies using radio propagation
study of the electron density profiles and dynamical behaviour of the ionospheric F-region over Waltair
Thermal imbalance in the equatorial E-region of the ionosphere
Studies on Ionospheric Absorption of short Radio Waves
Studies on Drift and anisotropy of Ionospheric irregularities at Waltair
critical study of the spaced receiver method for Ionospheric Drifts
Equatorial and low Latitude ionospheric phenomena as studied from the electron content and irregularity observations in the Indian sector
Investigation of the behavious of the ionosphere using beacon satellites
Rocket and baloon studies of middle atmospheric electrodynamics
Some studies on ionospheric electron content and amplitude scientillations
Some studies of mid-latitude F-region dynamics
Studies on some F region phenomena and sporadicE at Waltair using PhasePat Technique
Model studies of the ionospheric D-region and stratosphere
Studies of equatorial ionospheric irregularities characterization and prediction
Some studies on infrasonic waves and gravity waves in the ionospheric F region using H F phase earth technique
Some studies on equatorial spread -F using HF and VHF techniques