supply of gps base tracking devices with pre-installed sim for monitoring track patrolling along withmaping, customization in software, software installation, android app, report genaration and related assistanceas per railway board letter no- 2017/track-1/29/8 dated- 16.01.2018 in enclosed annexure -a to this tender.tenderer should note while quoting the rate they should consider rate including taxes as applicable if any of thefollowing in addition to cost of device as under- (a) all liabilities including any recurring charges per device. (b)rental charges for pre installed sim per device during warranty and amc period. (c) web charges per deviceduring warranty and amc period. (d) replacement / repairing cost of each defective gps tracking device duringwarranty and amc period. (e) other cost per device if any.