Get latest articles and stories on India at LatestLY. With an aim to carry out logistic operations in the Himalayan frontier, the Defence Research and Development Organisation (DRDO) has developed an untethered multi-copter payload, an unmanned aerial vehicle (UAV), capable of flying with 5 kg payload and even dropping bombs in enemy territories, an official said. India News | DRDO Develops Unmanned Aerial Vehicle for Operations in Himalayan Frontier.