# Chengalpattu Assembly constituency

Chengalpattu is a state assembly constituency in Chengalpattu district, Tamil Nadu, India. It is one of the 234 assembly constituencies in Tamil Nadu and comprises parts of Chengalpattu taluk. It forms part of Kancheepuram Lok Sabha constituency for national elections to the Parliament of India.

## Members of Legislative Assembly
### Madras State

| Year | Winner | Party |
| 1952 | K. Vinayakam | Kisan Mazdoor Praja Party |
| 1957 | Appavu and Muthuswamy Naicker | Indian National Congress |
| 1962 | C. G. Viswanathan | Dravida Munnetra Kazhagam |
| 1967 | C. G. Viswanathan | Dravida Munnetra Kazhagam |

### Tamil Nadu

| Year | Winner | Party |
| 1971 | C. G. Viswanathan | Dravida Munnetra Kazhagam |
| 1977 | P. G. Anoor Jegadeesan | All India Anna Dravida Munnetra Kazhagam |
| 1980 | P. G. Anoor Jegadeesan | All India Anna Dravida Munnetra Kazhagam |
| 1984 | P. G. Anoor Jegadeesan | All India Anna Dravida Munnetra Kazhagam |
| 1989 | V. Tamilmani | Dravida Munnetra Kazhagam |
| 1991 | C. D. Varadarajan | All India Anna Dravida Munnetra Kazhagam |
| 1996 | V. Tamilmani | Dravida Munnetra Kazhagam |
| 2001 | K. Arumugam | Pattali Makkal Katchi |
| 2006 | K. Arumugam | Pattali Makkal Katchi |
| 2011 | D. Murugesan | Desiya Murpokku Dravida Kazhagam |
| 2016 | M. Varalakshmi | Dravida Munnetra Kazhagam |
| 2021 | M. Varalakshmi | Dravida Munnetra Kazhagam |

## Election results

Vote share of winning candidates :
| 2021 | 2021 | 48.18% | 48.18% |
| 2016 | 2016 | 45.11% | 45.11% |
| 2011 | 2011 | 44.58% | 44.58% |
| 2006 | 2006 | 48.37% | 48.37% |
| 2001 | 2001 | 43.50% | 43.50% |
| 1996 | 1996 | 57.53% | 57.53% |
| 1991 | 1991 | 48.65% | 48.65% |
| 1989 | 1989 | 45.73% | 45.73% |
| 1984 | 1984 | 50.14% | 50.14% |
| 1980 | 1980 | 53.07% | 53.07% |
| 1977 | 1977 | 43.50% | 43.50% |
| 1971 | 1971 | 62.09% | 62.09% |
| 1967 | 1967 | 62.77% | 62.77% |
| 1962 | 1962 | 50.32% | 50.32% |
| 1957 | 1957 | 24.73% | 24.73% |
| 1952 | 1952 | 45.38% | 45.38% |

### 2021

2021 Tamil Nadu Legislative Assembly election: Chengalpattu :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | M. Varalakshmi | 130,573 | 48.18% | 3.07% |
| | AIADMK | Gajendran. M | 1,03,908 | 38.34% | 3.76% |
| | NTK | Sanjeevinathan. K | 26,868 | 9.91% | 8.30% |
| | IJK | Muthamilselvan. S | 4,146 | 1.53% | |
| | NOTA | Nota | 3,075 | 1.13% | −0.30% |
| | AMMK | Sathishkumar. A | 3,069 | 1.13% | |
| Margin of victory | Margin of victory | Margin of victory | 26,665 | 9.84% | −0.69% |
| Turnout | Turnout | Turnout | 2,71,012 | 63.26% | −4.04% |
| Rejected ballots | Rejected ballots | Rejected ballots | 479 | 0.18% | |
| Registered electors | Registered electors | Registered electors | 4,28,379 | | |
| | DMK hold | DMK hold | Swing | 3.07% | |

### 2016

2016 Tamil Nadu Legislative Assembly election: Chengalpattu :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | M. Varalakshmi | 112,675 | 45.11% | |
| | AIADMK | Kamalakkannan. R | 86,383 | 34.58% | |
| | PMK | Arumugam. K | 20,899 | 8.37% | |
| | DMDK | D. Murugesan | 17,438 | 6.98% | −37.59% |
| | NTK | Sanjeevinathan. K | 4,035 | 1.62% | |
| | NOTA | None Of The Above | 3,584 | 1.43% | |
| | IJK | Muthamilselvan. S | 1,517 | 0.61% | |
| | BSP | Ajay. S | 577 | 0.23% | −0.39% |
| | Independent | Venkatesan. E | 467 | 0.19% | |
| | Independent | Durairaj. L | 439 | 0.18% | |
| | Independent | Varalakshmi. K | 406 | 0.16% | |
| Margin of victory | Margin of victory | Margin of victory | 26,292 | 10.53% | 10.37% |
| Turnout | Turnout | Turnout | 2,49,774 | 67.30% | −6.73% |
| Registered electors | Registered electors | Registered electors | 3,71,109 | | |
| | DMK gain from DMDK | DMK gain from DMDK | Swing | 0.54% | |

### 2011

2011 Tamil Nadu Legislative Assembly election: Chengalpattu :
| Party | Party | Candidate | Votes | % | ±% |
| | DMDK | D. Murugesan | 83,297 | 44.58% | 37.63% |
| | PMK | V. G. Rangasamy | 83,006 | 44.42% | |
| | | M. Panneer Selvam | 4,124 | 2.21% | |
| | BJP | K. T. Raghavan | 4,073 | 2.18% | 1.60% |
| | Independent | R. Murugan | 3,597 | 1.92% | |
| | IJK | S. Muthamilselvan | 3,265 | 1.75% | |
| | BSP | L. Durairaj | 1,167 | 0.62% | 0.17% |
| | Puratchi Bharatham | K. Somasundaram | 1,040 | 0.56% | |
| | Independent | R. Venkatesan | 902 | 0.48% | |
| | Independent | K. Ayyanarappan | 641 | 0.34% | |
| | Independent | M. Kuppan | 419 | 0.22% | |
| Margin of victory | Margin of victory | Margin of victory | 291 | 0.16% | −7.86% |
| Turnout | Turnout | Turnout | 2,52,409 | 74.03% | 2.61% |
| Registered electors | Registered electors | Registered electors | 1,86,867 | | |
| | DMDK gain from PMK | DMDK gain from PMK | Swing | -3.80% | |

### 2006

2006 Tamil Nadu Legislative Assembly election: Chengalpattu :
| Party | Party | Candidate | Votes | % | ±% |
| | PMK | Arumugam. K | 61,664 | 48.37% | |
| | AIADMK | Arumugam. S | 51,451 | 40.36% | |
| | DMDK | Manjula . S | 8,852 | 6.94% | |
| | Independent | Jeevarathinam. M | 1,880 | 1.47% | |
| | Independent | Prakashbabu. P | 871 | 0.68% | |
| | BJP | Sriram. N | 736 | 0.58% | |
| | BSP | Amoor Beemrao. A | 575 | 0.45% | |
| | | Vedapuri. M | 315 | 0.25% | |
| | Independent | Durairaj. V | 261 | 0.20% | |
| | | Paramasivem. N | 179 | 0.14% | |
| | SP | Thulasiammal . R | 175 | 0.14% | |
| Margin of victory | Margin of victory | Margin of victory | 10,213 | 8.01% | 3.74% |
| Turnout | Turnout | Turnout | 1,27,475 | 71.43% | 12.30% |
| Registered electors | Registered electors | Registered electors | 1,78,466 | | |
| | PMK hold | PMK hold | Swing | 4.87% | |

### 2001

2001 Tamil Nadu Legislative Assembly election: Chengalpattu :
| Party | Party | Candidate | Votes | % | ±% |
| | PMK | Arumugam K | 52,465 | 43.50% | |
| | DMK | Viswanathan V | 47,316 | 39.23% | −18.30% |
| | MDMK | Sathya E | 15,617 | 12.95% | 7.95% |
| | Independent | Venkatesan V | 1,663 | 1.38% | |
| | Puratchi Bharatham | Ramesh K | 990 | 0.82% | |
| | Independent | Subramanian E | 826 | 0.68% | |
| | | Gopalakrishnan N | 572 | 0.47% | |
| | JD(S) | Balaraman . S | 507 | 0.42% | |
| | Independent | Ramadoss. R | 343 | 0.28% | |
| | Independent | Amul Rani R | 308 | 0.26% | |
| Margin of victory | Margin of victory | Margin of victory | 5,149 | 4.27% | −27.60% |
| Turnout | Turnout | Turnout | 1,20,607 | 59.13% | −9.57% |
| Registered electors | Registered electors | Registered electors | 2,04,010 | | |
| | PMK gain from DMK | PMK gain from DMK | Swing | -14.03% | |

### 1996

1996 Tamil Nadu Legislative Assembly election: Chengalpattu :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | V. Tamilmani | 66,443 | 57.53% | 24.69% |
| | AIADMK | Kumarasamy. C. V. N. | 29,638 | 25.66% | −22.98% |
| | PMK | Bhaskaran. C. R. | 11,969 | 10.36% | |
| | MDMK | Radhakrishnan. N. | 5,776 | 5.00% | |
| | BJP | Veeraraghavan. N. J. | 848 | 0.73% | −0.45% |
| | Independent | Sekar. M. | 132 | 0.11% | |
| | Independent | Rajendran. O. | 131 | 0.11% | |
| | Independent | Tharani. D. | 91 | 0.08% | |
| | | Radhakrishnan. R. | 75 | 0.06% | |
| | Independent | Arunachalam. D. | 70 | 0.06% | |
| | Independent | Loganathan. M. P. | 70 | 0.06% | |
| Margin of victory | Margin of victory | Margin of victory | 36,805 | 31.87% | 16.06% |
| Turnout | Turnout | Turnout | 1,15,493 | 68.70% | 0.48% |
| Registered electors | Registered electors | Registered electors | 1,74,487 | | |
| | DMK gain from AIADMK | DMK gain from AIADMK | Swing | 8.88% | |

### 1991

1991 Tamil Nadu Legislative Assembly election: Chengalpattu :
| Party | Party | Candidate | Votes | % | ±% |
| | AIADMK | C. D. Varadarajan | 51,694 | 48.65% | 22.10% |
| | DMK | V. Tamilmani | 34,896 | 32.84% | −12.89% |
| | PMK | Baskaran C. R. | 17,725 | 16.68% | |
| | BJP | Elumalai A. N. | 1,262 | 1.19% | |
| | Independent | Selvam N. | 196 | 0.18% | |
| | Independent | Dhandapani N. | 158 | 0.15% | |
| | Independent | Durairaj L. | 139 | 0.13% | |
| | Independent | Arunachalam D. | 93 | 0.09% | |
| | Independent | Venkatasubbaiah J. | 59 | 0.06% | |
| | Independent | Abdulhameed M. G. | 44 | 0.04% | |
| Margin of victory | Margin of victory | Margin of victory | 16,798 | 15.81% | −3.38% |
| Turnout | Turnout | Turnout | 1,06,266 | 68.22% | 6.71% |
| Registered electors | Registered electors | Registered electors | 1,59,450 | | |
| | AIADMK gain from DMK | AIADMK gain from DMK | Swing | 2.91% | |

### 1989

1989 Tamil Nadu Legislative Assembly election: Chengalpattu :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | V. Tamilmani | 38,948 | 45.73% | −3.06% |
| | AIADMK | C. D. Varadarajan | 22,607 | 26.54% | −23.60% |
| | INC | R. Vasudevan | 12,866 | 15.11% | |
| | AIADMK | Ponkumar | 5,342 | 6.27% | −43.87% |
| | Independent | T. Munusamy | 3,545 | 4.16% | |
| | Independent | M. Rajendran | 456 | 0.54% | |
| | Independent | M. Sekar | 326 | 0.38% | |
| | Independent | B. Sagadevan | 218 | 0.26% | |
| | Independent | S. Narendran | 217 | 0.25% | |
| | Independent | M. Prabakaran | 175 | 0.21% | |
| | Independent | T. V. Jegannathen | 169 | 0.20% | |
| Margin of victory | Margin of victory | Margin of victory | 16,341 | 19.19% | 17.84% |
| Turnout | Turnout | Turnout | 85,167 | 61.51% | −15.69% |
| Registered electors | Registered electors | Registered electors | 1,41,410 | | |
| | DMK gain from AIADMK | DMK gain from AIADMK | Swing | -4.41% | |

### 1984

1984 Tamil Nadu Legislative Assembly election: Chengalpattu :
| Party | Party | Candidate | Votes | % | ±% |
| | AIADMK | P. G. Anoor Jegadeesan | 45,423 | 50.14% | −2.93% |
| | DMK | Rudrakotti. V. | 44,203 | 48.80% | |
| | Independent | Sagadevan. B. | 373 | 0.41% | |
| | Independent | Paramanandam. N. S. | 321 | 0.35% | |
| | Independent | Abdul Hameed. M. G. | 267 | 0.29% | |
| Margin of victory | Margin of victory | Margin of victory | 1,220 | 1.35% | −5.41% |
| Turnout | Turnout | Turnout | 90,587 | 77.20% | 15.31% |
| Registered electors | Registered electors | Registered electors | 1,20,202 | | |
| | AIADMK hold | AIADMK hold | Swing | -2.93% | |

### 1980

1980 Tamil Nadu Legislative Assembly election: Chengalpattu :
| Party | Party | Candidate | Votes | % | ±% |
| | AIADMK | P. G. Anoor Jegadeesan | 40,466 | 53.07% | 9.58% |
| | INC | Natarajan. K | 35,314 | 46.32% | 39.97% |
| | Independent | Ramachandran. S. P | 465 | 0.61% | |
| Margin of victory | Margin of victory | Margin of victory | 5,152 | 6.76% | 1.01% |
| Turnout | Turnout | Turnout | 76,245 | 61.89% | 0.00% |
| Registered electors | Registered electors | Registered electors | 1,24,925 | | |
| | AIADMK hold | AIADMK hold | Swing | 9.58% | |

### 1977

1977 Tamil Nadu Legislative Assembly election: Chengalpattu :
| Party | Party | Candidate | Votes | % | ±% |
| | AIADMK | P. G. Anoor Jegadeesan | 29,306 | 43.50% | |
| | DMK | V. Rudrakotti | 25,436 | 37.75% | −24.34% |
| | JP | B.S. Raghupathy | 6,942 | 10.30% | |
| | INC | P. Dhanpal Nayagar | 4,275 | 6.34% | −20.73% |
| | Independent | N.E. Mahboob Basha | 611 | 0.91% | |
| | Independent | M. Vedachalam | 504 | 0.75% | |
| | Independent | S.A. Kali Nayagar | 303 | 0.45% | |
| Margin of victory | Margin of victory | Margin of victory | 3,870 | 5.74% | −29.28% |
| Turnout | Turnout | Turnout | 67,377 | 61.89% | −10.21% |
| Registered electors | Registered electors | Registered electors | 1,10,575 | | |
| | AIADMK gain from DMK | AIADMK gain from DMK | Swing | -18.60% | |

### 1971

1971 Tamil Nadu Legislative Assembly election: Chengalpattu :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | C G Vishwanathan | 41,949 | 62.09% | −0.68% |
| | INC | S T Neelakantan | 18,290 | 27.07% | −1.66% |
| | Independent | P Ramakrishnan | 3,748 | 5.55% | |
| | Independent | U T Krishnasamy | 1,455 | 2.15% | |
| | Independent | P Ramasamy | 1,264 | 1.87% | |
| | Independent | S K Sunder Raj | 345 | 0.51% | |
| | Independent | A Chinnapayyan | 285 | 0.42% | |
| | Independent | N S Paramanandam | 222 | 0.33% | |
| Margin of victory | Margin of victory | Margin of victory | 23,659 | 35.02% | 0.98% |
| Turnout | Turnout | Turnout | 67,558 | 72.10% | −6.93% |
| Registered electors | Registered electors | Registered electors | 98,995 | | |
| | DMK hold | DMK hold | Swing | -0.68% | |

### 1967

1967 Madras Legislative Assembly election: Chengalpattu :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | C. G. Viswanathan | 43,428 | 62.77% | 12.45% |
| | INC | T. Naicker | 19,879 | 28.73% | −17.76% |
| | Independent | Narasimhan | 5,879 | 8.50% | |
| Margin of victory | Margin of victory | Margin of victory | 23,549 | 34.04% | 30.21% |
| Turnout | Turnout | Turnout | 69,186 | 79.03% | 2.85% |
| Registered electors | Registered electors | Registered electors | 90,773 | | |
| | DMK hold | DMK hold | Swing | 12.45% | |

### 1962

1962 Madras Legislative Assembly election: Chengalpattu :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | C. G. Viswanathan | 27,933 | 50.32% | |
| | INC | G. Rajarathana Nayagar | 25,809 | 46.50% | 21.77% |
| | Independent | T. M. Ramaswamy | 1,767 | 3.18% | |
| Margin of victory | Margin of victory | Margin of victory | 2,124 | 3.83% | 3.16% |
| Turnout | Turnout | Turnout | 55,509 | 76.18% | 0.88% |
| Registered electors | Registered electors | Registered electors | 76,741 | | |
| | DMK gain from INC | DMK gain from INC | Swing | 25.59% | |

### 1957

1957 Madras Legislative Assembly election: Chengalpattu :
| Party | Party | Candidate | Votes | % | ±% |
| | INC | Muthuswamy Naickar | 26,568 | 24.73% | −1.35% |
| | INC | Appavu (Sc) | 25,854 | 24.06% | −2.01% |
| | Independent | Ramachandran | 22,884 | 21.30% | |
| | Independent | Rathinam (Sc) | 21,682 | 20.18% | |
| | Independent | Paramasivan (Sc) | 10,453 | 9.73% | |
| Margin of victory | Margin of victory | Margin of victory | 714 | 0.66% | −18.64% |
| Turnout | Turnout | Turnout | 1,07,441 | 75.29% | 30.60% |
| Registered electors | Registered electors | Registered electors | 1,42,694 | | |
| | INC gain from KMPP | INC gain from KMPP | Swing | -20.65% | |

### 1952

1952 Madras Legislative Assembly election: Chengalpattu :
| Party | Party | Candidate | Votes | % | ±% |
| | KMPP | K. Vinayakam | 14,681 | 45.38% | |
| | INC | U. L. Raja | 8,435 | 26.07% | 26.07% |
| | RPI | Paramasivam | 3,185 | 9.85% | |
| | Independent | M. Palaniswamy | 1,964 | 6.07% | |
| | | Govindarajulu Reddiar | 1,643 | 5.08% | |
| | Independent | Elumalai Naicker | 1,276 | 3.94% | |
| | Independent | P. V. Srinivasan | 1,167 | 3.61% | |
| Margin of victory | Margin of victory | Margin of victory | 6,246 | 19.31% | |
| Turnout | Turnout | Turnout | 32,351 | 44.69% | |
| Registered electors | Registered electors | Registered electors | 72,383 | | |
| | KMPP win (new seat) | KMPP win (new seat) | KMPP win (new seat) | KMPP win (new seat) | KMPP win (new seat) |