supply of green led for break indication , green led for break indication as per sanrok part no. 2ed-254-5106 & rdso specificatio n no. rdso/2008/cg-04 rev-05 or latest [ warranty period: 30 months after the date of delivery ] ] , isolating cock as per sanrok part no.2ed-255-4969 or equivalent suitable to automatic smok e/ fire detection with alarm system (fds) in railway coaches. [ warranty period: 30 months after the dat e of delivery ] ] , display card for vesda vlp 400 for sanrok make fsds [ warranty period: 30 months after the date of delivery ] ] , flasher light as per sanrok part no. 2ed-255-1972, for automatic smoke/fire detection with alarm system as per rdso specification no. rdso/2008/cg-04. rev-04/05 or latest [ warranty period: 30 months after the date of delivery ] ] , display card for vesda [item code : 2f00000000845] sanrok part no. 2ed-255-9001a for s anrok make automatic smoke/fire detection with alarm system in ir ac coaches to rdso specification no . rdso/2008/cg-04 rev.05 or latest. [ warranty period: 30 months after the date of delivery ] ]