[CA/Polity] Chief Ministers of Tamil Nadu

#	Chief Minister	Party	From	To	Election
1	A. Subbarayalu Reddiar	Justice Party	Dec 17, 1920	Jul 11, 1921	1920 Madras Legislative Council Election
2	Raja of Panagal	Justice Party	Jul 11, 1921	Sep 11, 1923
3	Raja of Panagal	Justice Party	Nov 19, 1923	Dec 04, 1926	1923 Madras Legislative Council Election
4	P. Subbarayyan	---	Dec 04, 1926	Oct 27, 1930	1926 Madras Legislative Council Election
5	B. Munuswamy Naidu	Justice Party	Oct 27, 1930	Nov 05, 1932	1930 Madras Legislative Council Election
6	Ramakrishna Ranga Rao (Raja of Bobilli)	Justice Party	Nov 05, 1932	Nov 05, 1934
7	Ramakrishna Ranga Rao (Raja of Bobilli)	Justice Party	Nov 05, 1934	Apr 04, 1936	1934 Madras Legislative Council Election
8	P. T. Rajan	Justice Party	Apr 04, 1936	Aug 24, 1936
9	Ramakrishna Ranga Rao	Justice Party	Aug 24, 1936	Apr 01, 1937
10	Kurma Venkata Reddy Naidu	---	Apr 01, 1937	Jul 14, 1937	1937 Madras Legislative Council Election
11	C. Rajagopalachari	INC	Jul 14, 1937	Oct 29, 1939
Governor’s Rule			Oct 29, 1939	Apr 30, 1946
12	Tanguturi Prakasam	INC	Apr 30, 1946	Mar 23, 1947	1946 Madras Legislative Council Election
13	O. P. Ramaswamy Reddiyar	INC	Mar 23, 1947	Apr 06, 1949
14	P. S. Kumaraswamy Raja	INC	Apr 06, 1949	Jan 26, 1950

1	P. S. Kumaraswamy Raja	INC	Jan 26, 1950	Apr 10, 1952	1946 Madras Legislative Council Election
2	C. Rajagopalachari	INC	Apr 10, 1952	Apr 13, 1954	1952 Madras Legislative Council Election
3	K. Kamaraj	INC	Apr 13, 1954	Mar 31, 1957
4	K. Kamaraj	INC	Apr 13, 1957	Mar 01, 1962	1957 Madras Legislative Council Election
5	K. Kamaraj	INC	Mar 15, 1962	Oct 02, 1963	1962 Madras Legislative Council Election
6	M. Bakthavatsalam	INC	Oct 02, 1963	Mar 06, 1967
7/1	C. N. Annadurai	DMK	Mar 06, 1967	Feb 03, 1969	1967 Madras Legislative Council Election (or) 1967 State Assembly Election
	V. R. Nedunchezhiyan*	DMK	Feb 03, 1969	Feb 10, 1969
2	M. Karunanidhi	DMK	Feb 10, 1969	Jan 04, 1971
3	M. Karunanidhi	DMK	Mar 15, 1971	Jan 31, 1976	1971 State Assembly Election
President’s Rule			Jan 31, 1976	Jun 30, 1977
4	M. G. Ramachandran	AIADMK	Jun 30, 1977	Feb 17, 1980	1977 State Assembly Election
President’s Rule			Feb 17, 1980	Jun 09, 1980
5	M.G. Ramachandran	AIADMK	Jun 09, 1980	Nov 15, 1984	1980 State Assembly Election
6	M. G. Ramachandran	AIADMK	Feb 10, 1985	Dec 24, 1987	1984 State Assembly Election
	V. R. Nedunchezhiyan*	AIADMK	Dec 24,1987	Jan 07, 1988
7	Janaki Ramachandran	AIADMK	Jan 07, 1988	Jan 30, 1988
President’s Rule			Jan 30, 1988	Jan 27, 1989
8	M. Karunanidhi	DMK	Jan 27, 1989	Jan 30, 1991	1989 State Assembly Election
President’s Rule			Jan 30, 1991	Jun 24, 1991
9	J. Jayalalithaa	AIADMK	Jun 24, 1991	May 13, 1996	1991 State Assembly Election
10	M.Karunanidhi	DMK	May 13, 1996	May 13, 2001	1996 State Assembly Election
11	J. Jayalalithaa	AIADMK	May 14, 2001	Sep 21, 2001	2001 State Assembly Election
12	O. Panneerselvam	AIADMK	Sep 21, 2001	Mar 01, 2002
13	J. Jayalalithaa	AIADMK	Mar 02, 2002	May 12, 2006
14	M. Karunanidhi	DMK	May 13, 2006	May 15, 2011	2006 State Assembly Election
15	J. Jayalalitha	AIADMK	May 16, 2011	Sep 27, 2014	2011 State Assembly Election
16	O. Panneerselvam	AIADMK	Sep 29, 2014	May 22, 2015
17	J. Jayalalithaa	AIADMK	May 23, 2015	May 23, 2016
18	J. Jayalalithaa	AIADMK	May 23, 2016	Dec 05, 2016	2016 State Assembly Election
19	O. Panneerselvam	AIADMK	Dec 06, 2016	Feb 16, 2017
20	Edappadi K Palanisamy	AIADMK	Feb 16, 2017

Chief Ministers	No of days
M. Karunanidhi	6863
J. Jayalalithaa	5239
M.  G. Ramachandran	3624
K. Kamaraj	3432
Raja of Panagal	1903
C. Rajagopalachari	1570
Ramakrishna Ranga Rao	1466
P. Subbarayan	1423
M. Bakthavatchalam	1251
Edappadi K Palanisamy*	1133
P. S. Kumaraswamy Raja	1100
O. P. Ramaswamy Reddiyar	745
B. Munuswamy Naidu	740
C. N. Annadurai	700
O. Panneerselvam	471
T. Prakasam	327
A. Subbarayalu Reddiar	206
P. T. Rajan	142
Kurma Venkata Reddy Naidu	104
Janaki Ramachandran	23
President’s Rule	1137
* à Currently ruling; updated on June 25, 2020

A look on 2016 Elections in Tamil Nadu  

Measures / Steps by Election Commission for 2016 Elections in Tamil Nadu