Sanchita Chatterjee, BS News Agency, Kohima: Nagaland Civil Secretariat officers and staff observed Constitution Day yesterday at the Secretariat conference hall, marking the culmination of the year-long theme “Hamara Samvidhan – Hamara Swabhiman.” Home Commissioner Abhijit Sinha highlighted that the Constitution was adopted on November 26, 1949 and came into effect on January 26, 1950. Chief Secretary Sentiyanger Imchen led the pledge as all present read the Preamble, reaffirming commitment to constitutional values.