# Thiruvonam Assembly constituency

Thiruvonam was a state assembly constituency in Thanjavur district in Tamil Nadu. Elections and winners from this constituency are listed below.

## Members of the Legislative Assembly

| Year | Winner | Party |
| 1977 | Durai Govindarajan | All India Anna Dravida Munnetra Kazhagam |
| 1980 | N. Sivagnanam | Indian National Congress (I) |
| 1984 | V. Sivagnanam | Indian National Congress |
| 1989 | M. Ramachandran | Dravida Munnetra Kazhagam |
| 1991 | K. Thangamuthu | All India Anna Dravida Munnetra Kazhagam |
| 1996 | M. Ramachandran | Dravida Munnetra Kazhagam |
| 2001 | C. Rajendran | All India Anna Dravida Munnetra Kazhagam |
| 2006 | T. Mahesh Krishnasamy | Dravida Munnetra Kazhagam |

## Election results
### 2006

2006 Tamil Nadu Legislative Assembly election: Thiruvonam :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | T. Mahesh Krishnasamy | 69,235 | 46.16% | 2.68% |
| | AIADMK | K. Thangamuthu | 67,430 | 44.96% | −7.25% |
| | DMDK | M. Sivakumar | 8,488 | 5.66% | |
| | Independent | S. Govindaraj | 1,965 | 1.31% | |
| | BJP | V. Mookkaiyan | 1,150 | 0.77% | |
| | Independent | Arjunan Malai | 938 | 0.63% | |
| | SP | T. Sathiya Moorthy | 411 | 0.27% | |
| | BSP | N. Ravi | 374 | 0.25% | |
| Margin of victory | Margin of victory | Margin of victory | 1,805 | 1.20% | −7.53% |
| Turnout | Turnout | Turnout | 149,991 | 74.95% | 9.35% |
| Registered electors | Registered electors | Registered electors | 200,113 | | |
| | DMK gain from AIADMK | DMK gain from AIADMK | Swing | -6.05% | |

### 2001

2001 Tamil Nadu Legislative Assembly election: Thiruvonam :
| Party | Party | Candidate | Votes | % | ±% |
| | AIADMK | C. Rajendran | 67,094 | 52.21% | 19.84% |
| | DMK | M. Ramachandran | 55,871 | 43.48% | −13.89% |
| | MDMK | Ramachandran Singh | 5,544 | 4.31% | −3.23% |
| Margin of victory | Margin of victory | Margin of victory | 11,223 | 8.73% | −16.26% |
| Turnout | Turnout | Turnout | 128,509 | 65.60% | −9.38% |
| Registered electors | Registered electors | Registered electors | 195,917 | | |
| | AIADMK gain from DMK | AIADMK gain from DMK | Swing | -5.16% | |

### 1996

1996 Tamil Nadu Legislative Assembly election: Thiruvonam :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | M. Ramachandran | 72,403 | 57.36% | 22.76% |
| | AIADMK | K. Thangamuthu | 40,853 | 32.37% | −32.36% |
| | MDMK | Balakrishnan Durai | 9,524 | 7.55% | |
| | PMK | K. Kunjupillai Mutharaiyar | 771 | 0.61% | |
| | Independent | R. Nedunchezhian | 652 | 0.52% | |
| | Independent | M. Kaliaperumal | 446 | 0.35% | |
| | Independent | T. Samiaiya | 380 | 0.30% | |
| | Independent | V. Kaliaperumal Yadava | 237 | 0.19% | |
| | Independent | C. Balaiyan | 230 | 0.18% | |
| | Independent | N. Palaiyan | 192 | 0.15% | |
| | Independent | V. Raju Udayar | 148 | 0.12% | |
| Margin of victory | Margin of victory | Margin of victory | 31,550 | 25.00% | −5.12% |
| Turnout | Turnout | Turnout | 126,215 | 74.97% | 0.64% |
| Registered electors | Registered electors | Registered electors | 176,055 | | |
| | DMK gain from AIADMK | DMK gain from AIADMK | Swing | -7.36% | |

### 1991

1991 Tamil Nadu Legislative Assembly election: Thiruvonam :
| Party | Party | Candidate | Votes | % | ±% |
| | AIADMK | K. Thangamuthu | 75,141 | 64.73% | 38.72% |
| | DMK | M. Ramachandran | 40,173 | 34.61% | −2.56% |
| | THMM | K. Gunaseelan | 306 | 0.26% | |
| | Independent | K. Mathiyazhagan | 264 | 0.23% | |
| | LKD | R. Vaiyapurikadavarayar | 206 | 0.18% | |
| Margin of victory | Margin of victory | Margin of victory | 34,968 | 30.12% | 18.97% |
| Turnout | Turnout | Turnout | 116,090 | 74.33% | −7.05% |
| Registered electors | Registered electors | Registered electors | 161,027 | | |
| | AIADMK gain from DMK | AIADMK gain from DMK | Swing | 27.56% | |

### 1989

1989 Tamil Nadu Legislative Assembly election: Thiruvonam :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | M. Ramachandran | 42,479 | 37.17% | 0.34% |
| | AIADMK | K. Thangamuthu | 29,730 | 26.01% | |
| | INC | Nanchi K. Varadarajan | 23,124 | 20.23% | −28.02% |
| | AIADMK | Durai Govindarajan | 17,522 | 15.33% | |
| | Independent | C. Kasinathan | 1,333 | 1.17% | |
| | Independent | R. Vaiyapuri | 110 | 0.10% | |
| Margin of victory | Margin of victory | Margin of victory | 12,749 | 11.15% | −0.26% |
| Turnout | Turnout | Turnout | 114,298 | 81.38% | −0.64% |
| Registered electors | Registered electors | Registered electors | 142,748 | | |
| | DMK gain from INC | DMK gain from INC | Swing | -11.08% | |

### 1984

1984 Tamil Nadu Legislative Assembly election: Thiruvonam :
| Party | Party | Candidate | Votes | % | ±% |
| | INC | V. Sivagnanam | 46,777 | 48.25% | −1.11% |
| | DMK | M. Ramachandran | 35,707 | 36.83% | |
| | INC(J) | K. Thangamuthu | 12,601 | 13.00% | |
| | Independent | S. Prakasom | 1,065 | 1.10% | |
| | Independent | V. Thenmani | 415 | 0.43% | |
| | Independent | M. K. Arumugam | 388 | 0.40% | |
| Margin of victory | Margin of victory | Margin of victory | 11,070 | 11.42% | 11.35% |
| Turnout | Turnout | Turnout | 96,953 | 82.02% | 4.93% |
| Registered electors | Registered electors | Registered electors | 124,226 | | |
| | INC hold | INC hold | Swing | -1.11% | |

### 1980

1980 Tamil Nadu Legislative Assembly election: Thiruvonam :
| Party | Party | Candidate | Votes | % | ±% |
| | INC | N. Sivagnanam | 44,748 | 49.36% | 28.58% |
| | AIADMK | Durai Govindarajan | 44,686 | 49.29% | 20.23% |
| | Independent | D. Sambandam | 1,229 | 1.36% | |
| Margin of victory | Margin of victory | Margin of victory | 62 | 0.07% | −2.64% |
| Turnout | Turnout | Turnout | 90,663 | 77.10% | 0.86% |
| Registered electors | Registered electors | Registered electors | 118,707 | | |
| | INC gain from AIADMK | INC gain from AIADMK | Swing | 20.30% | |

### 1977

1977 Tamil Nadu Legislative Assembly election: Thiruvonam :
| Party | Party | Candidate | Votes | % | ±% |
| | AIADMK | Durai Govindarajan | 23,779 | 29.06% | |
| | DMK | Pulavar T. Tholappan | 21,566 | 26.36% | |
| | INC | N. Vaiyapuri Vanniyar | 17,004 | 20.78% | |
| | Independent | P. Thangaraj | 9,987 | 12.21% | |
| | JP | N. Kaliamoorthy | 9,490 | 11.60% | |
| Margin of victory | Margin of victory | Margin of victory | 2,213 | 2.70% | |
| Turnout | Turnout | Turnout | 81,826 | 76.24% | |
| Registered electors | Registered electors | Registered electors | 108,939 | | |
| | AIADMK win (new seat) | AIADMK win (new seat) | AIADMK win (new seat) | AIADMK win (new seat) | AIADMK win (new seat) |