List of chief ministers

KERALA
1	E. M. S. Namboodiripad	5-Apr-1957	31-Jul-1959	1	Communist Party of India
2	Pattom Thanupillai	22-Feb-1960	26-Sep-1962	1	Praja Socialist Party
3	R. Sankar	26-Sep-1962	10-Sep-1964	1	Indian National Congress
4	E. M. S. Namboodiripad	6-Mar-1967	1-Nov-1969	2	Communist Party of India (Marxist)
5	C. Achutha Menon	1-Nov-1969	1-Aug-1970	1	Communist Party of India
6	C. Achutha Menon	4-Oct-1970	25-Mar-1977	2	Communist Party of India
7	K. Karunakaran	25-Mar-1977	25-Apr-1977	1	Indian National Congress
8	A.K. Antony	27-Apr-1977	27-Oct-1978	1	Indian National Congress
9	P. K. Vasudevan Nair	29-Oct-1978	7-Oct-1979	1	Communist Party of India
10	C. H. Mohammed Koya	12-Oct-1979	1-Dec-1979	1	Indian Union Muslim League
11	E. K. Nayanar	25-Jan-1980	20-Oct-1981	1	Communist Party of India (Marxist)
12	K. Karunakaran	28-Dec-1981	17-Mar-1982	2	Indian National Congress
13	K. Karunakaran	24-May-1982	25-Mar-1987	3	Indian National Congress
14	E. K. Nayanar	26-Mar-1987	17-Jun-1991	2	Communist Party of India (Marxist)
15	K. Karunakaran	24-Jun-1991	16-Mar-1995	4	Indian National Congress
16	A. K. Antony	22-Mar-1995	9-May-1996	2	Indian National Congress
17	E. K. Nayanar	20-May-1996	13-May-2001	3	Communist Party of India (Marxist)
18	A. K. Antony	17-May-2001	29-Aug-2004	3	Indian National Congress
19	Oommen Chandy	31-Aug-2004	18-May-2006	1	Indian National Congress
20	V.S. Achuthanandan	18-May-2006	incumbent	1	Communist Party of India (Marxist)