This chapter delves into sediment dynamics in the Damodar River Basin, focusing on the interplay ofFluvial connectivity fluvial connectivity, soil erosion hotspots, and reservoir sedimentationReservoir sedimentation. The research explores how natural sediment pathways are altered byRiver regulation river regulation and anthropogenic activitiesAnthropogenic activities, emphasizing the importance of understanding sediment connectivity from source to sink. A comprehensive conceptual framework integrates global and regional perspectives, addressing sediment transport mechanisms and their implications for dam sedimentation. Advanced methodologies, supported by diverse datasets, are employed to identifySediment sources sediment sources, assess connectivity, and quantify sediment production. The findings have significant implications forWatershed management watershed management, soil conservation, and sustainable reservoir operation, offering actionable strategies to mitigate sedimentation challenges. This chapter bridges theoretical insights with practical solutions, contributing to the effective management of sediment in regulated river systems.