corrigendum : supply of s&i tcas (kavach) for train set , schedule-1 supply, installation, interfacing with electrics of trainset, testing and commissioning of o n-board kavach equipment as per rdso spec no. rdso/spn/196/2020, ver 4.0 or latest for trainset. detailed desc ription, scope of supply, warranty, camc and other conditions shall be followed as per annexure-a. note: 1.the r adio modems shall be delivered, installed, tested, and commissioned at zonal railways depots directly. 2,quantity r equired per rake : 2 sets [ warranty period: 60 months after the date of delivery ] ] , schedule-ii comprehensive annual maintenance of onboard kavach equipment to pl no.31711959 i n trainset for 11 (eleven) years with camc conditions as per annexure-a [ warranty period: 5 years, amc peri od: 11 years, rate of discounting: 10 % ] ]