 A computer model at the Flood Forecasting Unit(FFU) at Maithon estimates the inflow into the reservoirs based on the real time data & rainfall forecast of IMD.According to detailed guidelines contained in the "Damodar Valley Reservoir Regulation Manual", Member Secretary of DVRRC (Damodar Valley Reservoir Regulation Committee) after discussion with SE, Damodar Irrigation Circle Govt.of West Bengal, Reservoir Operation of DVC & SE, Tenughat of Govt.