Delineation of groundwater potential zones for Arkavathi sub-watershed, Karnataka, India using remote sensing and GIS

•Groundwater is the critical to both climate change and social desires.•Remote Sensing and Geographic Information Systems have evolved as an effective tool in the field of hydrogeological study.•The Arkavathy River is key water resources for Bengaluru across which number cascading tanks as well as two big water reservoirs were constructed.•For the purpose of generating groundwater prospect maps eight contributing parameters considered whose weights were determined using Analytical hierarchical process technique.