Run-of-the-river hydropower tasks are developed based on the concept of sustaining reservoir life by sediment administration. Sediment management is attained by sluicing or drawdown flushing through low-level spillways. Simulations with numerical and real designs are crucial for optimizing the look and procedure of these projects. Inside report, numerical and physical model simulations performed for deposit handling of a run-of-the-river hydropower project tend to be presented. For Devsari Hydroelectric Project, Uttarakhand, Asia, a physical design had been built to a geometrically comparable scale of just one: 60. Experiments had been carried out for deposit administration for various scenarios. One-dimensional design Hydrologic Engineering Center's –River research program had been familiar with simulate the longitudinal sedimentation and velocity pages inside real design. The numerical model ended up being more put on the model for forecasting the long-lasting sediment deposition across the reservoir stretch. Link between the simulation indicated deltaic sediment deposition into the upstream reaches associated with the primary Pinder and Kailganga rivers. The delta higher level towards downstream for reduced reservoir procedure amounts. The movement velocities within the entire reservoir stretch were seen to be low, hence confirming the look idea of reservoir functioning as a desilting basin. Experiments had been performed from the real model for simulating deposit treatment by drawdown flushing. It absolutely was seen that reservoir capacity are restored by annual flushing during peak flows. Flushing with release of 300 m3/s for 12 h duration can remove about 0.0086 Mm3 of sediment and therefore may be followed for reservoir operation.