Petrology, Geochemistry and Precambrian Geology

•    A-type Malani magmatism, NW peninsular India mineralisation and crustal evolution

•    Anorogenic magmatism, mantle plume and assembly of the Malani supercontinent.

Environmental Geochemistry and Medical Geology:

•    Chemical quality of groundwater in relation to health hazards (incidence of cancer) in parts of SW Punjab and adjoining areas of Haryana, India.

•    Environmental radioactivity in relation to health hazards (Tusham, Haryana) and seismotectonics (Dharamshala), India.

•    Seismicity around Delhi Rohtak region in relation to gravity signatures of Tusham granite pluton.