| Name Of Party | 1964 | 1969 | 1974 | 1977 | 1980 | 1985 | 1990 | 1991 | 1996 | 2001 | 2006 | 2011 |
| CONGRESS | 21 | 10 | 7 | 2 | 10 | 15 | 11 | 15 | 9 | 11 | 10 | 7 |
| PEOPLES FRONT | 4 | |||||||||||
| CPI | 3 | 2 | 1 | 0 | 0 | 2 | 1 | 2 | 0 | 1 | 0 | |
| DMK | 15 | 2 | 3 | 14 | 5 | 9 | 4 | 7 | 7 | 7 | 2 | |
| CPM | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | ||||
| AIADMK | 12 | 14 | 0 | 6 | 3 | 6 | 3 | 3 | 3 | 5 | ||
| CONGRESS (ORGANISATION) | 5 | |||||||||||
| JANATA PARTY | 7 | 3 | 2 | |||||||||
| JANATA DAL | 4 | 1 | 1 | |||||||||
| TAMIL MANILA CONGRESS | 5 | 2 | ||||||||||
| PATTALI MAKKAL KATCHI | 1 | 0 | 2 | 0 | ||||||||
| BHARATIYA JANATA PARTY | 1 | 0 | 0 | |||||||||
| PUDHUCHERRY MAKKAL CONGRESS | 4 | 3 | ||||||||||
| MDMK | 1 | |||||||||||
| ALL INDIA N.R. CONGRESS | 15 | |||||||||||
| INDEPENDENT | 5 | 2 | 1 | 3 | 2 | 2 | 1 | 3 | 2 | 2 | 3 | 1 |
| OTHERS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| TOTAL | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
