supply of poh kit for check valve with choke.poh kit for check valve with choke.,poh kit for check valve with choke consisting of the following 4 items for air brake coaches conforming to rdso spec. 02-abr-02, amendment no. 4 of sept 2016. , (app endix - i ) drg to rdso [ full description of the 4 items attached in document coloumn ]. (delivery schedule: the supplies should be strictly on quarterly basis in equal instalments). [ w arranty period: 36 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ] carr. repair stores/tpty, andhra pradesh 1177.00 set scr mechanical & telangana 1224.00 set