procurement of various spares of 4000a , acb installed at btg , bop and ahp for emd-4 , stps , sarni . , various spares of 4000a ah-40d-cs acb installed in btg , bop and ash handling of ph-iv , closing latch ref no . csm1200 , closing coil limit switch ref no . cclimsw , charging hook ref no . chkspg-30c , charging hook pin ref no . clchookpin-30c , charging hook spring ref no . chkspg-30c , charging latch pin ref no . clatchpin-40c / 30c , charging latch ref no . clatch-40c / 30c , charging latch spring ref no . clchspc-30c , front cover assembly ref no . csfcvr30d ( do ) , ratchet assembly ref no . rchtassy30c , dowell pin ref no . csspgdlpn017 , complete mechanism for aha-40d ref no . mech30d , lower mechanism ref no . lowermech30c , shunt trip coil 220v dc ref no . cs-avh-s2 , closing coil 220v dc ref no . cs-avh-c2 , position indication switch ref no . alb-4p-2 , frp laminated safety shutter 3 pole ref no . ash-3 , draw out gear assembly ref no . dograsy-40d-4p , auxiliary switch ( 7 no + 7 nc ) ref no . cs-lxh-7a7b-1 , micro switch ref no . microsw , arc chutes ref no . cs-arccht-40d , complete pole unit ref no . cs-condunit-40d , mic jaw contact ref no . cs-mic-40d , arcing contacts ( fixed & moving ) ref no . cs-arccont-40d , circuit terminal / draw out terminal ref no . cs-ckttml-40d , charging motor 220v dc ref no . cs-amh-2-as , d / o telescopic rail ref no . drtlrail ( l ) -3 , d / o telescopic rail ref no . drtlrail ( r ) -3 , draw out mould base ( cradle side ) ref no . drmuld-40d , main fixed contacts ( upper terminals ) ref no . fixcont-40d , lower terminals with fitting plates ref no . lwr-trnl-40c-40d , cradle terminal for draw out ref no . cs-ckttml-40d , main moving contacts assembly ref no . movmain-40d , control relay for charging motor ref no . csamh2-as , complete mechanism with out side plate & contact assy for 800a acb ref no . mech06-16d3pd0