Port Blair, May 29: On the issue of No Objection Certificate given by the Andaman Nicobar Command to the Andaman Administration to develop strategically located Viper Island into a tourist hub by leasing out portions of the land to a foreign company, the Commander In Chief, ANC Air Marshal PK Roy, AVSM, VSM today said, “The Defence Ministry has carried out an assessment and based on the assessment, the NOC has been revoked. If you look at the development post NOC, the earlier NOC was also a conditional NOC”.