Port Blair, March 23: During RAT conducted on 43passengers bound for North & Middle Andaman at Ferrargunj, no positive case has been detected. At Mohanpura Bus Terminus, test was conducted on 20passengers, no positive case has been detected. At Phoenix Bay Jetty, 52 passengers were tested with RAT, no positive case has been detected. At helipad, 11passengers were tested with RAT, no positive case has been detected.