Fazlul Laskar is interested in the investigations related to: Whole Atmosphere Data Assimilation (WACCMX+DART), Global Circulation Model Simulations (WACCMX, TIE-GCM), Coupling of atmosphere-ionosphere-thermosphere system, Space weather, space climate, and Sun-Earth interaction, Middle atmospheric dynamics, Atmospheric Circulations and Waves, Ground and satellite based remote sensing (active and passive), Exploring new experimental and modeling techniques for upper atmospheric research