Port Blair, April 19: During the RT-PCR test conducted on 204 incoming flight passengers yesterday, no positive case has been detected. During RAT conducted on 28 passengers bound for North & Middle Andaman at Ferrargunj, no positive case has been detected. At Helipad, 10 passengers were tested with RAT, no positive case has been detected. At Mohanpura Bus Terminus, test was conducted on 36 passengers and no positive case has been detected. At Phoenix Bay Jetty, 11 passengers were tested with RAT, no positive case has been detected.