Regarding security of pipes which were brought by contractor for scheme but not utilized. (Circulars No. ३४ )
Regarding submission of paper (about provident fund) along with tender by registered contractor. (Circulars No. ३३ )
Provision of Water Hammer Control Devices in rural and Urban Water Supply Scheme. Estimation of water hammerpressures and selection of Air Cushion Valves and Zero Velocity valves. (Circulars No. ३५)