Groundwater resource: characterization, quantification, abstraction, and monitoring Soil-water pollution: sources, vulnerability and environmental impacts, source identification through tracers & Isotopes Soil water flow & solute transport, Virus and colloidal transport, inverse & stochastic modeling, dual porosity/permeability, mobile-immobile approaches Remediation of contaminated soil-water: emerging techniques, wetlands, phyto/bio-remediation, PRB, etc. Rainwater harvesting, Managed aquifers recharge and river-bank filtration, stream-aquifer interaction. Multiphase flow, carbon sequestration assessment, CO2 geo-sequestration, Reservoir simulation and EOR Plant-soil-atmospheric continuum, Root water and solute uptake analysis, water use efficiency, water footprint assessment Climate dynamics and its impacts on soil water resources. GIS and Remote sensing applications in hydrological and hydro-geological studies Integrated watershed management: hydrology of springs, watershed development, conjunctive use, impacts of land use pattern, water logging and drainage network. Sustainable water management in rural, urban & smart cities, Baseflow, Environment flows, Ecosystem services, restoration potential. Soil-water resource governance, regulations and policy frameworks.