bids are invited for steel pipes for water and sewage as per is 3589 , piano type non modular electrical switch socket combination as per is 3854 and is 1293 , non - modular piano type domestic electrical switches as per is 3854 , mcb - miniature circuit - breakers for a.c. operation as per is / iec 60898 (part 1) , piano type non modular domestic electrical sockets - is 1293 , elecric bells and accessories as per is 2268 , wrought aluminium and aluminium alloys sheet and strip (general engineering purposes) as per is 737 , curtain pipe, sider and mounting bracket , led batten , metal alloy casting water tap with aerator (v2) , pvc insulated unsheathed cable with flexible conductor as per is 694 total quantity : 2114