Port Blair, July 06: Mr. Rayhaan Pasha, Secretary, Tribal Development Council, A & N Islands on behalf of Nicobari tribal community requested the Chief Secretary, A & N Islands to quarantine those Government Officers / Government Servants and Non-Tribal before visiting to Nicobar tribal reserve area who has come from mainland for the safety of the Nicobari Tribes. Tribal people will be grateful to the A & N Administration protecting their life.