supply of supplying, installation and commissioning of gps base tracking devices with pre-installed sim with 3 ( three ) years warranty.supplying, installation and commissioning of gps base tracking devices with pre-installed sim with 3 ( three ) years warranty., for a-route ckp div. tata-jsg main line, supplying, installation and commissioning of gps base tracking devices with pre-installed sim with 3 ( three ) years warranty for monitoring of track patrolling along with mapping, customization in software, software installation, android app, report generation and related assistance as per railway board letter no. 2017 / track-1 / 29 / 8 dated. 16.01.2018 strictly follows ( enclosed ) . the rate including taxes as applicable including following items in addition to cost of device as under: ( i ) all liabilities including any recurring charges per device. ( ii ) rental charges, voice charges, sms charges, web charges, data charges and others if any for pre installed sim per device up to a period of 3 year from the date of commissioning are including. ( iii ) replacement cost of each defective / damaged gps tracking device of 3 years period from date of commissioning are including. ( v ) other any unforeseen cost such as repairing and other cost per device if any for 3 years from date of commissioning. inspection by rites.