# Senthamangalam Assembly constituency

Senthamangalam is a state assembly constituency in Tamil Nadu, India, that was formed after constituency delimitations in 2008. Its State Assembly Constituency number is 93. The seat is reserved for candidates from the Scheduled Tribes and comprises portions of Rasipuram and Namakkal taluks. It is a part of the wider Namakkal Lok Sabha constituency for national elections to the Parliament of India. It is one of the 234 State Legislative Assembly Constituencies in Tamil Nadu in India.
Prior to the 2008 delimitation exercise, the local constituency was called Sendamangalam. That, too, was reserved for candidates from the Scheduled Tribes.

## Members of Legislative Assembly
### Madras State

| Year | Winner | Party |
| 1957 | T. Sivagnanam Pillai | Indian National Congress |
| 1962 | V. R. Periyannan | Dravida Munnetra Kazhagam |
| 1967 | A. S. Gounder | Indian National Congress |

### Tamil Nadu

| Year | Winner | Party |
| 1971 | Chinna Velaiya Gounder | Dravida Munnetra Kazhagam |
| 1977 | V. Chinnasamy | All India Anna Dravida Munnetra Kazhagam |
| 1980 | S. Sivaprakasam | All India Anna Dravida Munnetra Kazhagam |
| 1984 | S. Sivaprakasam | All India Anna Dravida Munnetra Kazhagam |
| 1989 | K. Chinnasamy | All India Anna Dravida Munnetra Kazhagam |
| 1991 | K. Chinnasamy | All India Anna Dravida Munnetra Kazhagam |
| 1996 | C. Chandrasekaran | Dravida Munnetra Kazhagam |
| 2001 | K. Kalavathi | All India Anna Dravida Munnetra Kazhagam |
| 2006 | K. Ponnusamy | Dravida Munnetra Kazhagam |
| 2011 | R. Santhi | Desiya Murpokku Dravida Kazhagam |
| 2016 | C. Chandrasekaran | All India Anna Dravida Munnetra Kazhagam |
| 2021 | K. Ponnusamy | Dravida Munnetra Kazhagam |

## Election results

Vote share of winning candidates :
| 2021 | 2021 | 45.51% | 45.51% |
| 2016 | 2016 | 48.09% | 48.09% |
| 2011 | 2011 | 47.51% | 47.51% |
| 2006 | 2006 | 49.91% | 49.91% |
| 2001 | 2001 | 55.64% | 55.64% |
| 1996 | 1996 | 56.14% | 56.14% |
| 1991 | 1991 | 76.19% | 76.19% |
| 1989 | 1989 | 37.46% | 37.46% |
| 1984 | 1984 | 64.17% | 64.17% |
| 1980 | 1980 | 54.44% | 54.44% |
| 1977 | 1977 | 45.10% | 45.10% |
| 1971 | 1971 | 56.92% | 56.92% |
| 1967 | 1967 | 50.62% | 50.62% |
| 1962 | 1962 | 53.39% | 53.39% |
| 1957 | 1957 | 58.34% | 58.34% |

### 2021

2021 Tamil Nadu Legislative Assembly election: Senthamangalam :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | K. Ponnusamy | 90,681 | 45.51% | +3.91 |
| | AIADMK | S. Chandran | 80,188 | 40.25% | −7.85 |
| | NTK | T. Rohini | 11,654 | 5.85% | +4.68 |
| | Independent | C. Chandrasekaran | 11,371 | 5.71% | New |
| | NOTA | NOTA | 2,058 | 1.03% | −0.37 |
| Margin of victory | Margin of victory | Margin of victory | 10,493 | 5.27% | −1.23% |
| Turnout | Turnout | Turnout | 199,235 | 81.84% | −0.77% |
| Rejected ballots | Rejected ballots | Rejected ballots | 595 | 0.30% | |
| Registered electors | Registered electors | Registered electors | 243,457 | | |
| | DMK gain from AIADMK | DMK gain from AIADMK | Swing | -2.58% | |

### 2016

2016 Tamil Nadu Legislative Assembly election: Senthamangalam :
| Party | Party | Candidate | Votes | % | ±% |
| | AIADMK | C. Chandrasekaran | 91,339 | 48.09% | New |
| | DMK | K. Ponnusamy | 79,006 | 41.60% | −0.64 |
| | DMDK | M. Sathiya | 5,609 | 2.95% | −44.56 |
| | KMDK | M. Chinnusamy | 4,014 | 2.11% | New |
| | NOTA | NOTA | 2,664 | 1.40% | New |
| | PMK | K. Susila | 2,447 | 1.29% | New |
| | NTK | R. Anbuthambi | 2,219 | 1.17% | New |
| Margin of victory | Margin of victory | Margin of victory | 12,333 | 6.49% | 1.22% |
| Turnout | Turnout | Turnout | 189,917 | 82.60% | 1.02% |
| Registered electors | Registered electors | Registered electors | 229,911 | | |
| | AIADMK gain from DMDK | AIADMK gain from DMDK | Swing | 0.58% | |

### 2011

2011 Tamil Nadu Legislative Assembly election: Senthamangalam :
| Party | Party | Candidate | Votes | % | ±% |
| | DMDK | R. Santhi | 76,637 | 47.51% | +38.42 |
| | DMK | K. Ponnusamy | 68,132 | 42.24% | −7.67 |
| | Independent | T. Santhi | 5,208 | 3.23% | New |
| | Independent | Ambala Ponnusamy | 3,745 | 2.32% | New |
| | IJK | V. Palanisamy | 3,392 | 2.10% | New |
| | BJP | C. Ramesh | 2,966 | 1.84% | +0.36 |
| | Independent | K. Shanmugam | 1,215 | 0.75% | New |
| Margin of victory | Margin of victory | Margin of victory | 8,505 | 5.27% | −7.52% |
| Turnout | Turnout | Turnout | 161,295 | 81.59% | 10.75% |
| Registered electors | Registered electors | Registered electors | 197,693 | | |
| | DMDK gain from DMK | DMDK gain from DMK | Swing | -2.40% | |

### 2006

2006 Tamil Nadu Legislative Assembly election: Senthamangalam :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | K. Ponnusamy | 64,506 | 49.91% | +10.44 |
| | AIADMK | P. Chandran | 47,972 | 37.12% | −18.53 |
| | DMDK | R. Santhi | 11,747 | 9.09% | New |
| | BJP | K. Kuppusamy | 1,913 | 1.48% | New |
| | Independent | C. Chandrasekaran | 1,612 | 1.25% | New |
| | Independent | C. Chandrasekaran | 1,490 | 1.15% | New |
| Margin of victory | Margin of victory | Margin of victory | 16,534 | 12.79% | −3.37% |
| Turnout | Turnout | Turnout | 129,240 | 70.84% | 12.47% |
| Registered electors | Registered electors | Registered electors | 182,451 | | |
| | DMK gain from AIADMK | DMK gain from AIADMK | Swing | -5.73% | |

### 2001

2001 Tamil Nadu Legislative Assembly election: Senthamangalam :
| Party | Party | Candidate | Votes | % | ±% |
| | AIADMK | K. Kalavathi | 61,312 | 55.64% | +18.57 |
| | DMK | Chinumathi Chandrasekaran | 43,497 | 39.48% | −16.66 |
| | Independent | K. Mani | 2,128 | 1.93% | New |
| | MDMK | K. Saiyakali | 1,467 | 1.33% | +0.43 |
| | Independent | V. Kuppusamy | 812 | 0.74% | New |
| Margin of victory | Margin of victory | Margin of victory | 17,815 | 16.17% | −2.90% |
| Turnout | Turnout | Turnout | 110,186 | 58.37% | −5.60% |
| Registered electors | Registered electors | Registered electors | 188,776 | | |
| | AIADMK gain from DMK | AIADMK gain from DMK | Swing | -0.50% | |

### 1996

1996 Tamil Nadu Legislative Assembly election: Senthamangalam :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | C. Chandrasekaran | 58,673 | 56.14% | New |
| | AIADMK | K. Kalavathi | 38,748 | 37.08% | −39.11 |
| | PMK | P. Allimuthu | 3,449 | 3.30% | New |
| | Independent | S. Sivaprakasam | 2,576 | 2.46% | New |
| | MDMK | S. Thennavan | 938 | 0.90% | New |
| Margin of victory | Margin of victory | Margin of victory | 19,925 | 19.06% | −39.02% |
| Turnout | Turnout | Turnout | 104,512 | 63.97% | 4.37% |
| Registered electors | Registered electors | Registered electors | 173,166 | | |
| | DMK gain from AIADMK | DMK gain from AIADMK | Swing | -20.05% | |

### 1991

1991 Tamil Nadu Legislative Assembly election: Senthamangalam :
| Party | Party | Candidate | Votes | % | ±% |
| | AIADMK | K. Chinnasamy | 72,877 | 76.19% | +38.73 |
| | Thayaga Marumalarchi Kazhagam | S. Sivaprakasam | 17,316 | 18.10% | New |
| | PMK | M. S. Chandiran | 5,460 | 5.71% | New |
| Margin of victory | Margin of victory | Margin of victory | 55,561 | 58.09% | 52.91% |
| Turnout | Turnout | Turnout | 95,653 | 59.60% | −4.66% |
| Registered electors | Registered electors | Registered electors | 169,962 | | |
| | AIADMK hold | AIADMK hold | Swing | 38.73% | |

### 1989

1989 Tamil Nadu Legislative Assembly election: Senthamangalam :
| Party | Party | Candidate | Votes | % | ±% |
| | AIADMK | K. Chinnasamy | 36,489 | 37.46% | −26.71 |
| | DMK | C. Alagappan | 31,452 | 32.29% | +1.14 |
| | INC | T. S. Thiruman | 17,158 | 17.62% | New |
| | AIADMK | V. K. Ayyasamy | 9,067 | 9.31% | −54.86 |
| | Independent | K. K. Chinnasamy | 3,153 | 3.24% | New |
| Margin of victory | Margin of victory | Margin of victory | 5,037 | 5.17% | −27.85% |
| Turnout | Turnout | Turnout | 97,400 | 64.26% | −1.90% |
| Registered electors | Registered electors | Registered electors | 155,493 | | |
| | AIADMK hold | AIADMK hold | Swing | -26.71% | |

### 1984

1984 Tamil Nadu Legislative Assembly election: Senthamangalam :
| Party | Party | Candidate | Votes | % | ±% |
| | AIADMK | S. Sivaprakasam | 54,129 | 64.17% | +9.73 |
| | DMK | S. Kalavathi | 26,277 | 31.15% | New |
| | Independent | V. Chinnasamy | 3,944 | 4.68% | New |
| Margin of victory | Margin of victory | Margin of victory | 27,852 | 33.02% | 22.83% |
| Turnout | Turnout | Turnout | 84,350 | 66.16% | 12.12% |
| Registered electors | Registered electors | Registered electors | 137,028 | | |
| | AIADMK hold | AIADMK hold | Swing | 9.73% | |

### 1980

1980 Tamil Nadu Legislative Assembly election: Senthamangalam :
| Party | Party | Candidate | Votes | % | ±% |
| | AIADMK | S. Sivaprakasam | 37,577 | 54.44% | +9.35 |
| | INC | Vadama Gounder | 30,543 | 44.25% | +22.47 |
| | Independent | V. Rajagopal | 900 | 1.30% | New |
| Margin of victory | Margin of victory | Margin of victory | 7,034 | 10.19% | −13.12% |
| Turnout | Turnout | Turnout | 69,020 | 54.04% | 2.90% |
| Registered electors | Registered electors | Registered electors | 129,835 | | |
| | AIADMK hold | AIADMK hold | Swing | 9.35% | |

### 1977

1977 Tamil Nadu Legislative Assembly election: Senthamangalam :
| Party | Party | Candidate | Votes | % | ±% |
| | AIADMK | V. Chinnasamy | 28,731 | 45.10% | New |
| | INC | Vadama Gounder | 13,881 | 21.79% | −13.6 |
| | DMK | Chinna Vellaiyan | 9,886 | 15.52% | −41.4 |
| | JP | Chakravarthy Duraisamy | 9,752 | 15.31% | New |
| | Independent | M. R. Kali Gounder | 1,462 | 2.29% | New |
| Margin of victory | Margin of victory | Margin of victory | 14,850 | 23.31% | 1.78% |
| Turnout | Turnout | Turnout | 63,712 | 51.14% | −8.86% |
| Registered electors | Registered electors | Registered electors | 126,719 | | |
| | AIADMK gain from DMK | AIADMK gain from DMK | Swing | -11.82% | |

### 1971

1971 Tamil Nadu Legislative Assembly election: Senthamangalam :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | Chinna Veilaiya Gounder | 34,507 | 56.92% | New |
| | INC | Vellaya Gounder | 21,452 | 35.38% | −15.24 |
| | Independent | Nevadia Vaiyapuri Gounder | 4,670 | 7.70% | New |
| Margin of victory | Margin of victory | Margin of victory | 13,055 | 21.53% | 20.29% |
| Turnout | Turnout | Turnout | 60,629 | 60.00% | −6.24% |
| Registered electors | Registered electors | Registered electors | 104,818 | | |
| | DMK gain from INC | DMK gain from INC | Swing | 6.29% | |

### 1967

1967 Madras Legislative Assembly election: Senthamangalam :
| Party | Party | Candidate | Votes | % | ±% |
| | INC | A. S. Gounder | 31,308 | 50.62% | +4.02 |
| | CPI(M) | S. T. Doraiswamy | 30,537 | 49.38% | New |
| Margin of victory | Margin of victory | Margin of victory | 771 | 1.25% | −5.54% |
| Turnout | Turnout | Turnout | 61,845 | 66.24% | −1.65% |
| Registered electors | Registered electors | Registered electors | 97,553 | | |
| | INC gain from DMK | INC gain from DMK | Swing | -2.77% | |

### 1962

1962 Madras Legislative Assembly election: Senthamangalam :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | V. R. Periannan | 27,728 | 53.39% | New |
| | INC | P. B. K. Thiagaraja Reddiar | 24,205 | 46.61% | −11.73 |
| Margin of victory | Margin of victory | Margin of victory | 3,523 | 6.78% | −9.90% |
| Turnout | Turnout | Turnout | 51,933 | 67.89% | 15.36% |
| Registered electors | Registered electors | Registered electors | 78,651 | | |
| | DMK gain from INC | DMK gain from INC | Swing | -4.95% | |

### 1957

1957 Madras Legislative Assembly election: Senthamangalam :
| Party | Party | Candidate | Votes | % | ±% |
| | INC | T. Sivagnanam Pillai | 23,749 | 58.34% | New |
| | Independent | Somasundara Gounder | 16,959 | 41.66% | New |
| Margin of victory | Margin of victory | Margin of victory | 6,790 | 16.68% | |
| Turnout | Turnout | Turnout | 40,708 | 52.53% | |
| Registered electors | Registered electors | Registered electors | 77,493 | | |
| | INC win (new seat) | INC win (new seat) | INC win (new seat) | INC win (new seat) | INC win (new seat) |