supply of 1) supply and installation of 2a 2 pole dc mcb(c-curve) 2) supply, installation and commissioning of provision of aspiration type smoke detector.1) supply and installation of 2a 2 pole dc mcb(c-curve) 2) supply, installation and commissioning of provision of aspiration type smoke detector.,supply, installation and commissioning of provision of aspiration type smoke detector (samp ling points) in lavatories in place of hasp as per rdso spec. rdso/2008/cg-04 rev.05 and coach alteratio n instruction (cai) issued by rdso vide letter no.mc/acf/fire detection /ac dt.22/07/2021. make : jkexim [ warranty period: 30 months after the date of delivery ] ] , supply and installation of 2a 2 pole dc mcb(c-curve) along with limiter module for conversio n of fsds system to comply to modified clause 1.7(a) of rdso specifications rdso/2008/cg-04 rev-6 amd -1 for coaches with j k exim pvt.ltd. make fsds. [ warranty period: 30 months after the date of delivery ] ]