supply of overhead line inspectionoverhead line inspection,supply, installation & testing of overhead line inspection with video recording using gps sys tem for current collection test(olivir-g) as per rdso spec. no. is/rdso-ti/0001:2023 or latest along with a ll accessories and authentic software as per mentioned specification necessary for mapping. the set also c onsists of i) one portable gps data logger and its accessories of reputed brand working on latest android o s . ii) power bank for charging the laptop of 50000 mah or more to provide upto 8 hours backup. note:- 1) the supplier should provide assistance to include new route data into olivir-g system for minimum 5 year s. 2) catalogue of product and accessories to be attached with the offer. [ warranty period: 30 months af ter the date of delivery ] ]