supply of drone quadcopter for photography and videography at accident site with inbuilt monitor, with maximum range up to 6000m, battery of >=4200mah and additional 3 nos of batteries with >=4200mah, maximum flight time of approx 40 minutes, inbuilt micro sd card of minimum 128gb capacity of reputed make, with suitable remote controller and with suitable charger to charge 3 batteries at a time, camera sensor >= 48 mega pixels with minimum thirty months warranty for the set and twelve months warranty for batteries similar to dji air3 or better. material has to be supplied as per provided detailed technical specifications. installation demo and training on operation/maintenance to be provided by the supplier at the consignee location. make brand - dji air 3 combo/indo wings or similar.drone quadcopter for photography and videography at accident site with inbuilt monitor, with maximum range up to 6000m, battery of >=4200mah and additional 3 nos of batteries with >=4200mah, maximum flight time of approx 40 minutes, inbuilt micro sd card of minimum 128gb capacity of reputed make, with suitable remote controller and with suitable charger to charge 3 batteries at a time, camera sensor >= 48 mega pixels with minimum thirty months warranty for the set and twelve months warranty for batteries similar to dji air3 or better. material has to be supplied as per provided detailed technical specifications. installation demo and training on operation/maintenance to be provided by the supplier at the consignee location. make brand - dji air 3 combo/indo wings or similar.,drone quadcopter for photography and videography at accident site with inbuilt monitor, wit h maximum range up to 6000m, battery of >=4200mah and additional 3 nos of batteries with >=4200mah , maximum flight time of approx 40 minutes, inbuilt micro sd card of minimum 128gb capacity of reputed make, with suitable remote controller and with suitable charger to charge 3 batteries at a time, camera s ensor >= 48 mega pi