Irrigation management Agricultural engineering 1 Agronomic 1 Bhiwa model 1 Canal seepage- Ground water regime 1 Climate change 1 Crop weather modeling 1 Drainage 1 Drinking water supplies 1 Drought management 1 Geosciences 1 Ground water shortage 1 Hazard zonation 1 Heavy metal content- Periyar river 1 Household drinking water sources 1 Hydrogeology- Kerala 1 Hydromorphogeology 1 Kerala water policy 1 Landfill leachate- Vadavathoor 1 Mineral Exploration 1 Plantation crops 1 Rain water harvesting 1 Remote sensing-GIS-water resource development 1 River basins- Management 1 Sacred groves-kannur-floral diversity 1 Sea water 1 Sedimentation, Reservoir 1 Traditional water resource 1 Urban hydrology 1 Valapattanam river basin 1