Spring for e.m. contactor as per clw specification no.4tts.291.001 alt.8 or latest, and clw drawing no.4twd.291.038 alt-1 confirming to clw drawing no.itwd.291.033 alt 9 or latest.

Psc sleeper for 60 kg rail, as per rdso drawing t-8746 with latest amendment, if any,psc curve sleeper for 60 kg rail, as per rdso drawing t-8982 with latest amendment, if any

Terminal box cover as per clw drawing no.4twd.096.027 alt 3 or latest.

Bottle cooler of 90 liters capacity for hot buffet type lhb coaches conforming to rcf specification no. edts-118, rev-e with amendment no.2 or latest & rcf drawing no.lh 72204 alt b or latest.

Helical spring for axle guide arrangement of ac rakes of kolkata metro as per icf drawing no.dc/emu2-0-1-203 alt h/3 or latest amendment, if any. nb: (1) material to be procured from rdso/icf approved sources only. specn: as per icf drawing no.dc/emu2-0-1-203 alt h/3 or latest

Diaphram for pneuphonic/ pneumatic horn to bsl drawing no-elw/bsl/4/f74.104 , alt-1 or latest .

18 months rate contract for supply of hvn-66 insulating liner drawing latest- rt-3707-08 , alt.09.

Battery fuse box +ve for lhb coaches as per rcfs drawing no. lw 71001, alt - i or latest.

Bottom side wall sheet / bg-icf as per drg.no. drawing no : tcn-1-4-720, item- 2, alt- b/2 with latest alteration specn: as per drawing with latest revision and amendments

Oil pump for converter for wap7 & wag9 locos. specn/ drg no:- clw specn. no. clw/es/3/0107 alt-g with latest alt. & rdso specn no. e10/3/09 (motor) with amendment nos. 01,02,03,04,05&06 with latest .