ncrtc / auxiliary main transformer / ot / 49 design, manufacturing and supply of 66 / 33 kv ( 15 / 20 mva onan / onaf ) and 220 / 33 kv ( 15 / 20 mva-onan / onaf ) auxiliary main transformer including terminal connectors with ( nifps ) and all accessories for the work of ncrtc ( package-19 lot 1 and lot 2 ) , auxiliary main transformer , design, manufacture & supply of 66 / 33 kv, 15 / 20 mva ( onan / onaf ) auxiliary main transformer including terminal connectors with nitrogen injection fire prevention system ( nifps ) with all accessories mentioned in brief particular specifications ( annexure a to scc ) required for commissioning of auxiliary main transformer. , design, manufacture & supply of 220 / 33 kv, 15 / 20 mva ( onan / onaf ) auxiliary main transformer including terminal connectors with nitrogen injection fire prevention system ( nifps ) with all accessories mentioned in brief particular specifications ( annexure a to scc ) required for commissioning of auxiliary main transformer. , spares , winding temperature indicator , oil temperature indicator , sets of gaskets for auxiliary transformer. , oltc motor drive for auxiliary transformer. , 66kv bushing , 220kv bushing , 33 kv bushing for auxiliary transformer. , 66kv neutral bushing , 220kv neutral bushing , 33 kv neutral bushing , 66kv transformer ht clamps set , 220kv transformer ht clamps set , transformer oil for auxiliary transformer ( power oil make ) , magnetic oil level guage , buchholz relay for auxiliary transformer. , oil surge relay , ccu for auxiliary transformer. , silica gel breather , set of valves 01 0f each type , dial thermometer with prob and hose for wti , dial thermometer with prob and hose for oti , avr relay each type , tests , short circuit test on 66 / 33kv ( 15 / 20mva-onan / onaf ) transformer , short circuit test on 220 / 33kv ( 15 / 20mva-onan / onaf ) transformer