Taditui Rangkau Zeliang is an Indian politician who is 4th serving as the Deputy Chief Minister of Nagaland under Neiphiu Rio alongside Yanthungo Patton. He has served twice as the Chief Minister of Nagaland, from May 2014 to February 2017 and from July 2017 to March 2018. A leader of the Naga People's Front, T. R. Zeliang previously served as a Member of Parliament, representing Nagaland in the Rajya Sabha, the upper house of the Indian Parliament. He served as the Chairman of United Democratic Alliance (Nagaland) and was former leader of the NPF Legislature Party and former Leader of Opposition in Nagaland Legislative Assembly. He represents the Peren Assembly constituency in Nagaland Legislative Assembly since 2008.