The Rajiv Gandhi International Airport here witnessed over 1.5 million domestic passengers and around .27 million international travellers last month, which is 93 per cent and 86 per cent of pre-COVID-19 domestic and international passengers levels. A press release from GMR Hyderabad International Airport Ltd (GHIAL), which manages the airport, said compared to other metro airports in the country, Hyderabad aerodrome has the highest international passenger recovery during April 21-March 22.