supply of overhead line inspection with video recording--etc.overhead line inspection with video recording--etc., overhead line inspection with video recording using global positioning system for current collection test ( oliver-g ) .as per rdso specification no. is / rdso ?ti / 00001:2023 or its latest version including gps d ata mapping instrument. the hardware configuration prescribed for laptop and other electronic equipment in the above referred rdso specification is minimum requirement and higher configuration / specification is also accep table if it improves the overall performance of the system. [ warranty period: 30 months after the date of deliver y ]