supply of gps based personal tracking devicesgps based personal tracking devices, schedule - a: supply, installation and commissioning of gps based personal tracking devices with pre-installed sim compatible network with 3 ( three ) years i.e. one year warranty period and 2 years of amc 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 ( enclosed ) . , schedule - b: details of amc: application software on cloud subscription with mapping, report generation and related assistance, ( 2 ) telecommunication connection in the name of sse / p.way as per departments requirements recurring expenses with minimum monthly usage pack from any service provider consisting of 100 minutes of monthly call time, 100 nos of sms per month and 100 mb per month internet data. ( 3 ) annual maintenance post warranty period 2nd and 3 rd year for 559 devices. warranty period: 1 years, amc period: 2 years, rate of discounting: 10 % at ( location ) sse / pwd / tpl , scr andhra pradesh 559.00 numbers