NEW DELHI : GMR Group-operated Hyderabad Air Cargo (GHAC), which is a subsidiary of GMR Hyderabad International Airport Limited (GHIAL), on Tuesday received 56.6 tonnes, about 3 million doses, of Russian-made Sputnik V vaccines, making it the single largest import shipment of covid-19 vaccines."The Sputnik V vaccine requires specialized handling and storage, (and is) required to be kept at a temperature of -20° C," GMR Group said in a statement."GHAC has been working closely with the experts from the customer’s supply chain team, officials from customs department and other relevant stakeholders over an extended period of time to ensure that the necessary infrastructure and handling processes are fully in place at the air cargo terminal for.