supplying of spare parts of india mark ii hand pumps under d . w . and s . division , saraikela of district saraikela-kharsawan . , supplying of spare parts for the drilled tube well for im ii confirming to is 15500 ( revevant part i to * ) 2004 ( with latest amendment ) only for app[roved manufactrure /supplier from bis/unicef after proper verification of offer ssssheet , inspection certificate , marking and packing etc asper bis / unicef standard norms etc all complete upper valve assembly m ii , lower valve assembly m ii , cylinder complete set m ii , check valve guide m ii , front cover bolt m12 x 1 . 75mm , hexagonal bolt m12x1 . 75x40mm long , nylock nut , chain bolt /high tensile bolt m10x1 . 5x40mm , uper valve guide ( g . m ) , check valve seat retainer , nitrile rubber cup washer for m ii , water tank for im- ll , bs connecting rod , handle bar , plunger rod ( s . s ) for mark -ll , gi socket 32mm , gst @5%