supply of dc dc convertor for automatic smoke and fire detection system.dc dc convertor for automatic smoke and fire detection system.,electronic voice message sounder for automatic smoke and fire detection system as per rds o/2008/cg-04 ev-06 or latest make-tayal & co. [ warranty period: 30 months after the date of deliver y ] ] , brake application valve for automatic smoke and fire detection system as per rdso/2008/c g-04 rev-06 or latest make tayal & co. [ warranty period: 30 months after the date of delivery ] ] , battery (24v) make for automatic smoke and fire detection system as per rdso/2008/cg-04 rev-06 or latest suitable for tayal and co. [ warranty period: 30 months after the date of delivery ] ] , procurement of dc dc convertor for automatic smoke and fire detection system as per r dso/2008/cg-04 rev-06 or latest, make-tayal. [ warranty period: 30 months after the date of deliver y ] ] , procurement of aspiration smoke detector fda241 as per rdso/2008/cg-04 rev-06 or latest (make-tayal). [ warranty period: 30 months after the date of delivery ] ] page 1 of 7 run date/time: 10/05/2025 13:25:26mumbai/div/central rly tender document