Tender For procurement of set of fasteners, coupling assy & pressure ring - ntpc - fastener,s-302508+,hora,1333-05 dn80/80, set of fastener,hora,1333-05, cplg assy,m-301068+,hora,1333-05 dn80/80, coupling assy,hora,1333-05, pressure ring,s-302508&502,hora,1335-05, pressure ring,s-302359&502,hora,1333-05