Yamuna Power & Infrastructure Ltd supplies Prefab FRP Shelters. Yamuna Power & Infrastructure Ltd. Is an ISO 9001:2000 certified company. The Prefab FRP Shelters have a wide range of applications in defense forces, forest areas, seismic zone, etc. The advantage of Prefab FRP Shelter is its low weight, easy handling, easy cutting and drilling, no burrs, no sharp edges and can easily be assembled with minimum time/tools.