Evolution of life in the Proterozoic and evolutionary changes across the Neoproterozoic Phanerozoic transition. Acritarchs as proxies to understand evolutionary trends and generate biostratigraphic zonation data for the Neoproterozoic.

Glaciology, Geomorphology, Environmental Geology

Metamorphic Petrology, Tectono-thermal evolution of Eastern Himalaya, Geochemistry and Petrogenesis of granitoids,

Modelling of Streamflow and Sediment delivery characteristics of Gangotri Glacier Basin, Himalayas.

Hydrogeochemistry

An integrated study of physical, mechanical and acoustic properties of rocks of the Alaknanda & Bhagirathi valleys and their Interrelationships

Integrated stratigraphy and depositional history of the Cambrian succession in the Parahio valley of Spiti basin, Tethys Himalaya.

Systematic study on fossil assemblage of the Dharmsala group of Himachal Pradesh, India and its significance in understanding early Miocene phase of the Himalayan evolution