Name Of Party 1957 1960 1965 1967 1970 1977 1980 1982 1987 1991 1996 2001 2006 2011
CONGRESS 43 63 36 9 30 38 17 20 33 55 37 62 24 38
CPI 60 29 3 19 16 23 17 13 16 12 18 7 17 13
PRAJA SOCIALIST PARTY 9 20 0 3
MUSLIM LEAGUE 11 6
KERALA CONGRESS 23
SAMYUKTA SOCIALIST PARTY 13 19
CPM  40 52 29 17 35 26 38 29 40 23  61 45
MUSLIM LEAGUE 14 11 13 14 14 15 19 13 16 7 20
KERALA CONGRESS 5 12 20 8 6 5 1 6 2 4
SOCIALIST PARTY 6
REVOLUTIONARY SOCIALIST PARTY 6 9 4 5 2 5 2 3 2
ISP 3
BHARTIYA LOK DAL 6
CONGRESS (U) 21
JANATA PARTY 5 4 7
ALL INDIA MUSLIM LEAGUE 5 4
KERALA CONGRESS (J) 6 8
INDIAN CONGRESS (SOCIALIST) 5 3
INDIAN CONGRESS(SOCIALIST-SARAT CHANDRA SINHA 6 2
KERALA CONGRESS(M)  10 5 9 7 9
JANATA DAL 3 4
JANADHIPATHIYA SAMREKSHNA SAMITI 4 1 0
NATIONALIST CONGRESS PARTY 2 1 2
JANATA DAL(SECULAR) 3 5 4
INDEPENDENT 14 3 12 15 16 9 5 34 14 4 5 3 5 2
OTHERS 0 0 0 0 1 5 0 2 1 3 4 7 5 5
TOTAL 126 126 133 133 133 140 133 140 140 140 140 140 140 140