Digital Goa, May 12- A drone was found lying on the ground at the B2 stockyard area of Adani Mormugao Port Terminal Pvt Ltd on May 11. The drone was allegedly flown by an unknown person in violation of a district-level ban on UAV operations. The incident was reported by Dry Cargo Officer at the terminal, after the on-duty belt attender spotted the drone around 7:20 pm. Mormugao Police have registered a case against unidentified person and have launched investigation to trace the origin and purpose of the drone.