Watershed is a geo-hydrological unit draining runoff water at a common point and it could be demarcated based on ridge line. Watershed approach for optimal planning, development and management aims at harnessing resource for sustainable development and better living. The factors that play a greater role in planning and development process of a watershed are its size, shape, physiography, climate, rainfall, slope, drainage, geomorphology, land use/land cover, soils, runoff and groundwater etc. Watershed management is unique approach for development of rainfed areas on sustainable basis. The...