“…Similar attempts have been made in the generation of different thematic maps for the delineation of groundwater potential zones in different parts of the country (Obi Reddy et al, 1994;Krishna Moorthy and Srinivas, 1995;Rao et al, 1996;Reddy et al, 1996). Satellite remote sensing has been proved beneficial in hydrogeomorphological mapping (Vaidyanathan, 1964;Prithviraj, 1980;Das et al, 1997; Kumar and Tomar, 1998;Tomas et al, 1999;Pratap et al, 2000;Subba Rao et al, 2001, Sankar, 2002Jagannadha Rao et al, 2003).…”