Despite ¾ th of the globe covered with water, a fraction (2.5%) of fresh water is available on earth's surface.Therefore proper water management is essential of water for its optimum utilization for human kind.This monogram discusses rainfall features and its prediction especially emphasize on extreme rainfall events for various users, described in three sections. It describes recent developments in rainfall forecasting techniques, modeling extreme rainfall events of short duration, some typical synoptic cases of extremely heavy rainfall events (ever recorded rainfall over 100 years period) important in flood & non-flood conditions for flood control agencies, water management, districts & emergencies management agencies for safety of life & property. This monogram is intended to be useful for civil engineers, design engineers, hydrologists, meteorologists/hydro-meteorologists, flood forecasting agencies, water resources, water management agencies, Irrigation, Agriculture, National highway authorities, Railway & Transport, Disaster management agencies, Districts authorities, research scholars and Post graduates students studying meteorology/hydro meteorology etc.