supply of android /gps based omsandroid /gps based oms,android /gps based oms-supply and commissioning of gps based oscillation monitoring system (oms system) with hardware like external gps with blue tooth facility, android tablet, internal measurement unit (imu) power pack (external battery) for track monitoring.the license of android software and maintenance of the oms system to be valid for 03 years from the date of supply . as per rdso specification no.tm/sm/420, version 1.1 gps based oscillation monitoring system(gps-oms) (first revision, february 2021). [ warranty period: 36 months after the date of delivery ]