Covid-19 testing continues at Kolkata airport for International passengers after the Central government made compulsory an RT-PCR test for international passengers. “Tests have been made mandatory. We wore masks throughout the journey. The steps taken by the Indian government are very important for the safety of all,” said a passenger traveling from Bangkok. Earlier the central government made the RT-PCR test compulsory for international passengers coming from China, Hong Kong, Japan, South Korea, Singapore, and Thailand.