A system of unmanned aviation vehicles comprising a plurality of unmanned aerial vehicles capable of vertical landing and takeoff, the system communicating through a proprietary network or through GPS, WIFI and or commercially available networks, and at least a drone box, each drone box having a drone platform with a plurality of limiting boundaries, made of a source transmitter and a source receiver with magnetic or optical line of sight radiation therebetween, and disposed along the limiting boundaries, the drone platform divided into number of sensor zones, that are mechanically contiguous and electrically separated by an insulated separator of insulation width, each sensor zone having identification coordinates, a levelled upper surface of the drone platform, a plurality of platform covers, and at least two mounting dispositions provided at a lower end of the drone box, each mounting disposition manually adjustable in a longitudinal direction, and having a flexible cushion at its free end capable of adjusting to an orientation commensurate with a surface of disposition, a charging arrangement protecting against over voltage, over current, reverse polarity and leakage current; each unmanned aerial vehicle being a drone having a plurality of ground interfaces, each ground interface of each drone having a unique address code, each ground interface having a charging terminal at a far end, each charging terminal having an interlocked switchable electricity polarity, namely Positive (+ve) or Negative (-ve) or Neutral, the interlocked switchable electricity polarity being switched by a Programmable Controller situated in the drone; each drone having a default polarity of Positive (+ve) and Negative (-ve) on two charging terminals, wherein the sensor zones sense the default polarity of Positive (+ve) and Negative (-ve) of the charging terminals of the ground interfaces of a first drone, and the corresponding sensor zones are activated with matching polarity so as to commence charging of batteries of the first drone, wherein the drone switches in a prescribed time the electrical polarity to another charging terminal, in the event any and all of the adjacent sensor zones contacted by one charging terminal failing to sense the default polarity of the one of the charging terminals of the ground interfaces of the first drone; wherein a minimum terminal dimension of each charging terminal is such that a minimum contact area is ensured when an axis of the respective ground interface of the drone exactly coincides with a center of intersection of the adjacent sensor zones, the ground interface facilitating charging of the batteries installed in the drone via the sensor zones after a safe landing of the drone. a drone platform with a plurality of limiting boundaries, made of a source transmitter and a source receiver with magnetic or optical line of sight radiation therebetween, and disposed along the limiting boundaries, the drone platform divided into number of sensor zones, that are mechanically contiguous and electrically separated by an insulated separator of insulation width, each sensor zone having identification coordinates, a levelled upper surface of the drone platform, a plurality of platform covers, and at least two mounting dispositions provided at a lower end of the drone box, each mounting disposition manually adjustable in a longitudinal direction, and having a flexible cushion at its free end capable of adjusting to an orientation commensurate with a surface of disposition, a charging arrangement protecting against over voltage, over current, reverse polarity and leakage current; each unmanned aerial vehicle being a drone having a plurality of ground interfaces, each ground interface of each drone having a unique address code, each ground interface having a charging terminal at a far end, each charging terminal having an interlocked switchable electricity polarity, namely Positive (+ve) or Negative (-ve) or Neutral, the interlocked switchable electricity polarity being switched by a Programmable Controller situated in the drone; each drone having a default polarity of Positive (+ve) and Negative (-ve) on two charging terminals, wherein the sensor zones sense the default polarity of Positive (+ve) and Negative (-ve) of the charging terminals of the ground interfaces of a first drone, and the corresponding sensor zones are activated with matching polarity so as to commence charging of batteries of the first drone, wherein the drone switches in a prescribed time the electrical polarity to another charging terminal, in the event any and all of the adjacent sensor zones contacted by one charging terminal failing to sense the default polarity of the one of the charging terminals of the ground interfaces of the first drone; wherein a minimum terminal dimension of each charging terminal is such that a minimum contact area is ensured when an axis of the respective ground interface of the drone exactly coincides with a center of intersection of the adjacent sensor zones, the ground interface facilitating charging of the batteries installed in the drone via the sensor zones after a safe landing of the drone.