corrigendum : procurement of spares for ador make hvrs and control panels at ntpc barh - feedback card,4610001120,ador, bridge rectfier assy,4610001090,ador, resistor card,4610001100,ador, hvr gasket, set,5004000550,ador, hvr feedback, card,4610000850,ador, brdg rectifier assy,4610000890,ador, resistor card, assy,4610000860,ador, hvr ovp assy,4601003730,ador, hvr meter clbn, card,8136000510,ador, ctrl, transformer,4206002300,ado r, hv, bushing,ador,xfmr,48.97kva,0 .415/60kv, resin cast ct,401100.....