Irrigation scheduling (when, how and how much water should be applied to the crops) is a powerful tool to reduce salinity and water-logging, is now in practice in many countries of the world. It takes into account the climatic data as well as plant soil interaction. The basic concept is in-flow minus outflow equals change in storage. The in-flow to the soil is rainfall and irrigation. The out-flow is evapotranspiration and drainage. Water scheduling calculations have been carried out for maize, sugarcane and wheat crops for 1 in 5 wet years. The figures show the relation between soil moisture contents, rainfall, irrigation and drainage. The major objectives of this study is to make water scheduling calculations to estimate the need of irrigation water for the major crops of the region under study and to determine how much water is actually required by the major crops of the area and how much water is provided for these crops at present in the absence of irrigation scheduling.