1965 elections in India

Kerala
! class="unsortable" | ! Political Party !! Seats Contested !! Won !! Net Change in seats !! % of Seats ! Votes !! Vote % !! Change in vote % ! colspan = 2| ! style="text-align:center;" |Total Seats !! 133 ( 0) !! ||Voters !! 6,330,337 !! style="text-align:center;" |
 * - style="background-color:#E9E9E9; text-align:center;"
 * style="text-align:left;" |Indian National Congress
 * 133 || 36 || 27 || 27.07 || 21,23,660 || 33.55 ||  0.87
 * style="text-align:left;" |Communist Party of India
 * 79 || 3 || 28 || 2.26 || 525,456 || 8.3 ||  30.84
 * style="text-align:left;" |Communist Party of India (Marxist)
 * 73 || 40 || New || 30.08 || 1,257,869 || 19.87 || New
 * style="text-align:left;" |Kerala Congress
 * 54 || 23 || New || 17.29 || 796,291 || 12.58 || New
 * 16 || 6 || 5 ||  4.51 || 242,529 || 3.71 ||  1.29
 * style="text-align:left;" |Samyukta Socialist Party
 * 29 || 13 || New || 9.77 || 514,689 || 8.13 || New
 * 174 || 12 || 7 || 9.02 || 869,843 || 13.74 || N/A
 * - class="unsortable" style="background-color:#E9E9E9"
 * style="text-align:left;" |Kerala Congress
 * 54 || 23 || New || 17.29 || 796,291 || 12.58 || New
 * 16 || 6 || 5 ||  4.51 || 242,529 || 3.71 ||  1.29
 * style="text-align:left;" |Samyukta Socialist Party
 * 29 || 13 || New || 9.77 || 514,689 || 8.13 || New
 * 174 || 12 || 7 || 9.02 || 869,843 || 13.74 || N/A
 * - class="unsortable" style="background-color:#E9E9E9"
 * style="text-align:left;" |Samyukta Socialist Party
 * 29 || 13 || New || 9.77 || 514,689 || 8.13 || New
 * 174 || 12 || 7 || 9.02 || 869,843 || 13.74 || N/A
 * - class="unsortable" style="background-color:#E9E9E9"
 * 174 || 12 || 7 || 9.02 || 869,843 || 13.74 || N/A
 * - class="unsortable" style="background-color:#E9E9E9"
 * - class="unsortable" style="background-color:#E9E9E9"
 * }