Tender For operation and maintenance of 30 mld stp at bhagwati nagar jammu based on mbbr technology, upkeep of all electro-mechanical components/ installations, laboratory operations, watch and ward and other allied works for a period of five years. cno sdj/w/51/2025-25 3rd call - operation and maintenance of 30 mld sewage treatment plant at bhagwati nagar jammu based on mbbr (moving bed bio reactor) technology, upkeep of all electro-mechanical components / installations, laboratory operations, watch & ward and other allied works for a period of five years (60 months). contract no sdj/w/51/ 2025-26 3rd call