bids are invited for procurement of non-intrusive pig signallers under rpnhq network. non-intrusive pig signaller - magnetic type bactericide non - aldehyde non - amine type (ongc), piano type non modular domestic electrical sockets - is 1293, non - modular piano type domestic electrical switches as per is 3854, whiteboard duster (v2), piano type non modular domestic fan regulator as per is 11037, non sparking tools kit as per is 4595, non - smooth external surface pipe, type b as per is 16098, piano type non modular electrical switch socket combination as per is 3854 and is 1293, automatic fully mechanised organic waste machine for compost non heating type, prevailing torque type hexagon nuts (with non-metallic insert), style 1 - is 7002 relevant pipeline pig total quantity : 8