Water Resources Availability and Requirements of India Fresh Water and its Management in India Introduction to Hydrology Forms and Types of Precipitation Rainfall Measurement Presentation of Rainfall Data Estimation of Missing Rainfall Data Consistency of Rainfall Record Estimation of Mean Areal Rainfall Frequency Analysis of Point Rainfall Interception and Depression Storage Evaporation Evapotranspiration Infiltration Types of Watersheds Physical Characteristics of Watersheds Channel Characteristics of Watersheds Components of Runoff and Factors Affecting Runoff Estimation of Runoff-I Estimation of Runoff-II Measurement of Runoff Stream Flow Hydrograph Base Flow Separation Unit Hydrograph Derivation of Unit Hydrographs Unit Hydrographs of Different Durations Synthetic Unit Hydrograph Other Unit Hydrographs Hydrologic Reservoir Routing Hydrologic Channel Routing Drought Management Flood Management