^This column only names the chief minister's party. The state government he heads may be a complex coalition of several parties and independents; these are not listed here.
^On 1 July 1963, the Territorial Council of Union Territory of Tripura was dissolved and the first Legislative Assembly of the Union Territory of Tripura was constituted. Members of the dissolved Territorial Council became members of the first assembly and permitted to continue for the reminder of their original five year term.
^ abcWhen President's rule is in force in a state, its council of ministers stands dissolved. The office of chief minister thus lies vacant. At times, the legislative assembly also stands dissolved.
^On 1 February 1972, State of Tripura came into existence constituted from the erstwhile Union Territory of Tripura.
^Durga Das Basu. Introduction to the Constitution of India. 1960. 20th Edition, 2011 Reprint. pp. 241, 245. LexisNexis Butterworths Wadhwa Nagpur. ISBN 978-81-8038-559-9. Note: although the text talks about Indian state governments in general, it applies for the specific case of Tripura as well.