The Ministry of Annadurai was the Council of Ministers, headed by C. N. Annadurai, that was formed after the fourth legislative assembly election, which was held in three phases on 15th, 18th and 21st February 1967.

The results of the election were announced in February 1967, and this led to the formation of the 4th Assembly.

[1][2][3][4] According to Article 163 of the Indian Constitution, # There shall be a Council of Ministers with the Chief Minister at the head to aid and advise the Governor in the exercise of his function, except in so far as he is by or under this Constitution required to exercise his functions or any of them in his discretion.

The Chief Minister shall be appointed by the Governor and the other Ministers shall be appointed by the Governor on the advice of the Chief Minister, and the Minister shall hold office during the pleasure of the Governor:Provided that in the States of Bihar, Madhya Pradesh and Orissa, there shall be a Minister in charge of tribal welfare who may in addition be in charge of the welfare of the Scheduled Castes and backward classes or any other work.

# The Council of Minister shall be collectively responsible to the Legislative Assembly of the State.