- Climate Change, Carbon sequestration/stocking/ Biochar, Heavy
- Plant microbe interactions under stress environment, Bioremediation of industrial pollutants, Bioenergy and biofuels, Recycling and management of solid organic waste.
- Eco-Health and Risk Assessment, Urbanization and PAH Exposure Bio monitoring.
- Wastewater Treatment, Toxicology.
- Drinking water Quality, Heavy metal and other Contaminants in drinking and irrigation water, Waste water toxicology.
- Toxicology, Physicochemical processes for waste water.