Port Blair, Oct 30: The Chairperson, Port Blair Municipal Council, Smt Sheela Singh today administrated the pledge on the eve of “Rashtriya Ekta Diwas”(National Unity Day) to all Councillors, officials and staffs of the Council on Friday. The Chairperson said that Rashtriya Ekta Diwas provide us an opportunity to reaffirm the inherent strength and resilience of our nation to withstand the actual and potential threats to the unity, integrity and security of our country.