supply of hose pipe, tyfon (horn)(high ton), tyfon (horn)(low ton), duplex valve and drain valvehose pipe, tyfon (horn)(high ton), tyfon (horn)(low ton), duplex valve and drain valve,tyfon (horn)(high ton)to kb part no. ii51466 for vande bharat rake [ warranty period: 30 months after the date of delivery ] ] , tyfon (horn)(low ton) to kb part no ll51213 for vande bharath trains [ warranty perio d: 30 months after the date of delivery ] ] , duplex valve kbi part no. 1.3.1902 for vande bharath train set [ warranty period: 30 mont hs after the date of delivery ] ] , hose pipe as per part no. ii90265/06608nq of kbipl for vande bharath train set [ warranty period: 30 months after the date of delivery ] ] , drain valve for vande bharat exp kbi part no. i81535 [ warranty period: 30 months after th e date of delivery ] ]