India's first coronavirus airport testing facility was launched on Friday at Delhi's Indira Gandhi International Airport. The facility at the Terminal-3 of the airport, which offers a walk-in option, "ensures a safe journey of all passengers entering the city or scheduled for domestic connecting flights", the Delhi International Airport Limited, the airport operator, said in a statement. International passengers traveling without a valid COVID negative certificate can book a slot in advance, it said. The test results are available within four-six hours.