This work involves the systematic collection and extraction of naturally deposited riverbed materials such as stones, gravel, sand, and other aggregates from Deumai Khola, Ward No. 2, Hangmasuli. The activity aims to utilize locally available resources for construction and development works while ensuring sustainable environmental management, flood control, and river training. The process will be carried out in accordance with relevant laws, environmental safeguards, and technical guidelines to balance local development needs with ecological conservation.