# Thiruporur Assembly constituency

Thiruporur is a state assembly constituency in Chengalpattu district of Tamil Nadu, India. Its State Assembly Constituency number is 33. It is one of the 234 State Legislative Assembly Constituencies in Tamil Nadu.

## Members of the Legislative Assembly
### Madras State

| Year | Winner | Party | Party |
| 1952 | M. R. Ramachandran | | Indian National Congress |
| 1967 | M. Adhi | | Dravida Munnetra Kazhagam |

### Tamil Nadu

| Year | Winner | Party |
| 1971 | M. Munu Adhi | Dravida Munnetra Kazhagam |
| 1977 | G. Chokkalingam | Dravida Munnetra Kazhagam |
| 1980 | G. Chokkalingam | Dravida Munnetra Kazhagam |
| 1984 | Thamizhmani | All India Anna Dravida Munnetra Kazhagam |
| 1989 | D. Thirumurthy | Dravida Munnetra Kazhagam |
| 1991 | D. Dhanpal | All India Anna Dravida Munnetra Kazhagam |
| 1996 | G. Chokkalingam | Dravida Munnetra Kazhagam |
| 2001 | S. Kanitha Sampath | All India Anna Dravida Munnetra Kazhagam |
| 2006 | D. Moorthy | Pattali Makkal Katchi |
| 2011 | K. Manoharan | All India Anna Dravida Munnetra Kazhagam |
| 2016 | M. Kothandapani- Disqualification by Assembly Speaker 2017 | All India Anna Dravida Munnetra Kazhagam |
| By-Election 2019 | L. Idhayavarman | Dravida Munnetra Kazhagam |
| 2021 | S. S. Balaji | Viduthalai Chiruthaigal Katchi |

## Election results

Vote share of Winning candidates :
| 2021 | 2021 | 41.80% | 41.80% |
| 2019 By-election | 2019 By-election | 47.53% | 47.53% |
| 2016 | 2016 | 34.91% | 34.91% |
| 2011 | 2011 | 53.06% | 53.06% |
| 2006 | 2006 | 45.07% | 45.07% |
| 2001 | 2001 | 54.64% | 54.64% |
| 1996 | 1996 | 50.77% | 50.77% |
| 1991 | 1991 | 56.55% | 56.55% |
| 1989 | 1989 | 40.65% | 40.65% |
| 1984 | 1984 | 47.28% | 47.28% |
| 1980 | 1980 | 50.63% | 50.63% |
| 1977 | 1977 | 44.78% | 44.78% |
| 1971 | 1971 | 57.00% | 57.00% |
| 1967 | 1967 | 60.03% | 60.03% |
| 1952 | 1952 | 37.47% | 37.47% |

### 2021

2021 Tamil Nadu Legislative Assembly election: Thiruporur :
| Party | Party | Candidate | Votes | % | ±% |
| | VCK | S. S. Balaji | 93,954 | 41.80% | |
| | PMK | K. Arumugam | 92,007 | 40.94% | |
| | NTK | S. Mohana Sundari | 20,428 | 9.09% | 8.18% |
| | MNM | Lavanya. N | 8,194 | 3.65% | |
| | AMMK | Kothandapani. M | 7,662 | 3.41% | |
| | NOTA | Nota | 1,982 | 0.88% | −0.17% |
| | BSP | V. K. Pakkiri Ambadkar | 1,135 | 0.51% | 0.36% |
| Margin of victory | Margin of victory | Margin of victory | 1,947 | 0.87% | 0.39% |
| Turnout | Turnout | Turnout | 2,24,747 | 76.28% | −2.81% |
| Rejected ballots | Rejected ballots | Rejected ballots | 101 | 0.04% | |
| Registered electors | Registered electors | Registered electors | 2,94,620 | | |
| | VCK gain from DMK | VCK gain from DMK | Swing | 6.90% | |

### 2019 By-election

2019 Tamil Nadu Legislative Assembly by-elections: Thiruporur :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | L. Idhayavarman | 103,248 | 47.53 | +13.09 |
| | AIADMK | S. Arumugam | 82,235 | 37.86 | +2.77 |
| | AMMK | M. Kothandapani | 11,936 | 5.49 | +5.49 |
| | NTK | S. Mohanasundari | 9,910 | 4.56 | +3.65 |
| | MNM | U. Karunakaran | 6,039 | 2.78 | +2.78 |
| | NOTA | None of the Above | 2,243 | 1.03 | +0.02 |
| Majority | Majority | Majority | 21,013 | 9.67 | +9.20 |
| Turnout | Turnout | Turnout | 2,17,419 | 80.29 | +1.20 |
| | DMK gain from AIADMK | DMK gain from AIADMK | Swing | +12.62 | |

### 2016

2016 Tamil Nadu Legislative Assembly election: Thiruporur :
| Party | Party | Candidate | Votes | % | ±% |
| | AIADMK | M. Kothandapani | 70,215 | 34.91% | −18.15% |
| | DMK | Viswanathan. V | 69,265 | 34.44% | |
| | PMK | Vasu. K | 28,125 | 13.98% | |
| | MDMK | Sathya. C. E | 25,539 | 12.70% | |
| | BJP | Rangaswamy. V. G | 2,605 | 1.30% | 0.30% |
| | NOTA | None Of The Above | 2,116 | 1.05% | |
| | NTK | Ellalan Yusuf. I | 1,836 | 0.91% | |
| Margin of victory | Margin of victory | Margin of victory | 950 | 0.47% | −11.06% |
| Turnout | Turnout | Turnout | 2,01,141 | 79.09% | −3.53% |
| Registered electors | Registered electors | Registered electors | 2,54,307 | | |
| | AIADMK hold | AIADMK hold | Swing | -18.15% | |

### 2011

2011 Tamil Nadu Legislative Assembly election: Thiruporur :
| Party | Party | Candidate | Votes | % | ±% |
| | AIADMK | K. Manoharan | 84,169 | 53.06% | 14.24% |
| | PMK | K. Arumugam | 65,881 | 41.53% | |
| | Puratchi Bharatham | G. Sivalingam | 1,598 | 1.01% | |
| | BJP | N. Gopalakrishnan | 1,579 | 1.00% | −0.22% |
| | Independent | G. Rajamuthu | 1,367 | 0.86% | |
| | Independent | S. Anandbabu | 902 | 0.57% | |
| | BSP | S. Saravanan | 807 | 0.51% | −0.21% |
| Margin of victory | Margin of victory | Margin of victory | 18,288 | 11.53% | 5.28% |
| Turnout | Turnout | Turnout | 1,92,007 | 82.62% | 17.00% |
| Registered electors | Registered electors | Registered electors | 1,58,639 | | |
| | AIADMK gain from PMK | AIADMK gain from PMK | Swing | 7.99% | |

### 2006

2006 Tamil Nadu Legislative Assembly election: Thiruporur :
| Party | Party | Candidate | Votes | % | ±% |
| | PMK | Moorthy. D | 73,328 | 45.07% | |
| | AIADMK | Dhanapal. M | 63,164 | 38.82% | −15.82% |
| | DMDK | Kannappan. K | 19,227 | 11.82% | |
| | BJP | Ponvaratharajan. M | 1,979 | 1.22% | |
| | BSP | Srinivasan. M | 1,177 | 0.72% | |
| | CPI(ML)L | Eraniappan. C | 955 | 0.59% | −0.61% |
| | Independent | Jagadeesan. V | 926 | 0.57% | |
| Margin of victory | Margin of victory | Margin of victory | 10,164 | 6.25% | −11.88% |
| Turnout | Turnout | Turnout | 1,62,708 | 65.62% | 7.54% |
| Registered electors | Registered electors | Registered electors | 2,47,954 | | |
| | PMK gain from AIADMK | PMK gain from AIADMK | Swing | -9.57% | |

### 2001

2001 Tamil Nadu Legislative Assembly election: Thiruporur :
| Party | Party | Candidate | Votes | % | ±% |
| | AIADMK | S. Kanitha Sampath | 74,716 | 54.64% | 29.81% |
| | DMK | Nagarajan C | 49,926 | 36.51% | −14.26% |
| | MDMK | Seeman P | 5,082 | 3.72% | −5.49% |
| | Independent | Anandan. V | 2,711 | 1.98% | |
| | Puratchi Bharatham | Udayakumar N | 2,676 | 1.96% | |
| | CPI(ML)L | Eraniappan C | 1,636 | 1.20% | 0.34% |
| Margin of victory | Margin of victory | Margin of victory | 24,790 | 18.13% | −7.82% |
| Turnout | Turnout | Turnout | 1,36,747 | 58.08% | −10.71% |
| Registered electors | Registered electors | Registered electors | 2,35,443 | | |
| | AIADMK gain from DMK | AIADMK gain from DMK | Swing | 3.87% | |

### 1996

1996 Tamil Nadu Legislative Assembly election: Thiruporur :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | G. Chockalingam | 62,414 | 50.77% | 22.90% |
| | AIADMK | Loganathan. N. K. | 30,518 | 24.82% | −31.73% |
| | PMK | Narayanasamy. K. @ Maniarasu | 13,960 | 11.36% | |
| | MDMK | Sathiyaseelan. E. | 11,322 | 9.21% | |
| | Independent | Viswanathan. D. | 1,770 | 1.44% | |
| | BJP | Mani. M. G. | 1,144 | 0.93% | 0.26% |
| | CPI(ML)L | Iraniappan. C. | 1,049 | 0.85% | |
| Margin of victory | Margin of victory | Margin of victory | 31,896 | 25.95% | −2.74% |
| Turnout | Turnout | Turnout | 1,22,935 | 68.79% | 0.40% |
| Registered electors | Registered electors | Registered electors | 1,88,360 | | |
| | DMK gain from AIADMK | DMK gain from AIADMK | Swing | -5.78% | |

### 1991

1991 Tamil Nadu Legislative Assembly election: Thiruporur :
| Party | Party | Candidate | Votes | % | ±% |
| | AIADMK | M. Dhanpal | 60,262 | 56.55% | 20.15% |
| | DMK | G. Chockalingam | 29,698 | 27.87% | −12.78% |
| | PMK | C. Palanisamy | 15,529 | 14.57% | |
| | BJP | A. Veerabadran | 714 | 0.67% | 0.15% |
| Margin of victory | Margin of victory | Margin of victory | 30,564 | 28.68% | 24.44% |
| Turnout | Turnout | Turnout | 1,06,559 | 68.39% | 8.18% |
| Registered electors | Registered electors | Registered electors | 1,59,767 | | |
| | AIADMK gain from DMK | AIADMK gain from DMK | Swing | 15.90% | |

### 1989

1989 Tamil Nadu Legislative Assembly election: Thiruporur :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | Thirumurthy. D. M | 33,638 | 40.65% | 1.36% |
| | AIADMK | Govindarajan. M. M | 30,126 | 36.41% | −10.87% |
| | AIADMK | Thamizh Mani. V. M | 9,479 | 11.46% | −35.82% |
| | INC | Mnusamy. K. M | 7,795 | 9.42% | |
| | BJP | Mani. M. G. M | 433 | 0.52% | −0.11% |
| Margin of victory | Margin of victory | Margin of victory | 3,512 | 4.24% | −3.75% |
| Turnout | Turnout | Turnout | 82,749 | 60.21% | −14.87% |
| Registered electors | Registered electors | Registered electors | 1,40,584 | | |
| | DMK gain from AIADMK | DMK gain from AIADMK | Swing | -6.63% | |

### 1984

1984 Tamil Nadu Legislative Assembly election: Thiruporur :
| Party | Party | Candidate | Votes | % | ±% |
| | AIADMK | Thamizhmani | 38,075 | 47.28% | 0.14% |
| | DMK | Chokkalingam. G. | 31,641 | 39.29% | −11.34% |
| | Independent | Govindarasan. M. | 9,959 | 12.37% | |
| | BJP | Rajamani. D. | 513 | 0.64% | |
| | Independent | Kuppan | 345 | 0.43% | |
| Margin of victory | Margin of victory | Margin of victory | 6,434 | 7.99% | 4.50% |
| Turnout | Turnout | Turnout | 80,533 | 75.08% | 11.17% |
| Registered electors | Registered electors | Registered electors | 1,13,888 | | |
| | AIADMK gain from DMK | AIADMK gain from DMK | Swing | -3.35% | |

### 1980

1980 Tamil Nadu Legislative Assembly election: Thiruporur :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | G. Chockalingam | 33,287 | 50.63% | 5.85% |
| | AIADMK | Govindarasan. M | 30,990 | 47.13% | 6.13% |
| | Independent | Dhanapal. V | 572 | 0.87% | |
| | Independent | Jayachandran. N | 562 | 0.85% | |
| | Independent | Krishnan. N | 338 | 0.51% | |
| Margin of victory | Margin of victory | Margin of victory | 2,297 | 3.49% | −0.28% |
| Turnout | Turnout | Turnout | 65,749 | 63.92% | 5.56% |
| Registered electors | Registered electors | Registered electors | 1,04,235 | | |
| | DMK hold | DMK hold | Swing | 5.85% | |

### 1977

1977 Tamil Nadu Legislative Assembly election: Thiruporur :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | G. Chockalingam | 24,932 | 44.78% | −12.22% |
| | AIADMK | T. Radha | 22,831 | 41.00% | |
| | JP | R. Dakshinamoorthy | 5,910 | 10.61% | |
| | RPI(A) | G. Naghamani | 712 | 1.28% | |
| | Independent | N. Jayachandran | 672 | 1.21% | |
| | Independent | B. Sahadevan | 466 | 0.84% | |
| Margin of victory | Margin of victory | Margin of victory | 2,101 | 3.77% | −17.84% |
| Turnout | Turnout | Turnout | 55,682 | 58.36% | −12.13% |
| Registered electors | Registered electors | Registered electors | 97,060 | | |
| | DMK hold | DMK hold | Swing | -12.22% | |

### 1971

1971 Tamil Nadu Legislative Assembly election: Thiruporur :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | M Munu Adhi | 40,187 | 57.00% | −3.03% |
| | INC | T M Dhanapal | 24,950 | 35.39% | 0.60% |
| | Independent | K Kuppan | 4,223 | 5.99% | |
| | Independent | Sagadevan B | 706 | 1.00% | |
| | Independent | P A Appadurai | 441 | 0.63% | |
| Margin of victory | Margin of victory | Margin of victory | 15,237 | 21.61% | −3.62% |
| Turnout | Turnout | Turnout | 70,507 | 70.48% | −5.74% |
| Registered electors | Registered electors | Registered electors | 1,04,099 | | |
| | DMK hold | DMK hold | Swing | -3.03% | |

### 1967

1967 Madras Legislative Assembly election: Thiruporur :
| Party | Party | Candidate | Votes | % |
| | DMK | M. Adhi | 39,047 | 60.03% |
| | INC | N. M. Manivarama | 22,631 | 34.79% |
| | Independent | Bupathy | 2,039 | 3.13% |
| | Independent | Sahadevan | 1,334 | 2.05% |
| Margin of victory | Margin of victory | Margin of victory | 16,416 | 25.24% |
| Turnout | Turnout | Turnout | 65,051 | 76.23% |
| Registered electors | Registered electors | Registered electors | 88,914 | |
| | DMK hold | DMK hold | Swing | |

### 1952

1952 Madras Legislative Assembly election: Thiruporur :
| Party | Party | Candidate | Votes | % | ±% |
| | INC | M. R. Ramachandran | 9,580 | 37.47% | 37.47% |
| | RPI | S. Murugesa Mudaliar | 4,527 | 17.70% | |
| | KMPP | M. V. Ganapathi Nayakar | 3,790 | 14.82% | |
| | Independent | C. Deivasikhamani | 3,644 | 14.25% | |
| | Socialist | T. K. Krishnaswami | 2,731 | 10.68% | |
| | Independent | C. M. Nagappan | 1,298 | 5.08% | |
| Margin of victory | Margin of victory | Margin of victory | 5,053 | 19.76% | |
| Turnout | Turnout | Turnout | 25,570 | 37.88% | |
| Registered electors | Registered electors | Registered electors | 67,495 | | |
| | INC win (new seat) | INC win (new seat) | INC win (new seat) | INC win (new seat) | INC win (new seat) |