Port Blair, May 12: The Science Centre located at Goodwill Estate, Corbyn’s cove Road, observed the “National Technology Day” on 11th May 2013. As part of celebration, around 100 students from various schools who are presently attending the Holiday Camp-2013 at Science Centre were taken on a study tour to ISRO, Telemetry, Tracking and Command Network (ISTRAC), at Dollygunj, Port Blair. The students were briefed about the activities of the station relating to tracking of various satellites and its associated functions.