Directorate General of Civil Aviation (DGCA) has allowed the Telangana govt to deliver COVID-19 vaccines using drones on an experimental basis. DGCA has granted the state a conditional exemption from the UAS Rules, 2021 for a period of one year to conduct “experimental delivery of vaccines using drones within visual line of sight (VLOS) range.” VLOS is considered to be a distance of just 450 mt in conditions when minimum ground visibility is 5 km.