supply of release choke for keo type d.v. to escort part no. 172 and escorts drg.no. 4a 31657/19 or kbi part no. b61711/ki or similar. confirming to rdso specn. no. 02-abr-02 with amndt. no.4 of sept 2016.release choke for keo type d.v. to escort part no. 172 and escorts drg.no. 4a 31657/19 or kbi part no. b61711/ki or similar. confirming to rdso specn. no. 02-abr-02 with amndt. no.4 of sept 2016.,release choke for keo type d.v. to escort part no. 172 and escorts drg.no. 4a 31657/19 or k bi part no. b61711/ki or similar. confirming to rdso specn. no. 02-abr-02 with amndt. no.4 of sept 2016. [ warranty period: 36 months after the date of delivery ] ] => limited