# Coimbatore Lok Sabha constituency

Coimbatore is a Lok Sabha constituency in western Tamil Nadu, India. Its Tamil Nadu Parliamentary Constituency number is 20 of 39. It is the Second largest city of Tamil Nadu and the district headquarters of the Coimbatore district. This Coimbatore Lok Saba Constituency having third largest Number of Voters after Sriperumbudur and Chennai South.

## Assembly segments

From 2009
Coimbatore Lok Sabha constituency is composed of the following assembly segments:
| # | Name | District | Member | Reserved for (SC/ST/None) | Party |
| 115 | Palladam | Tiruppur | M. S. M. Anandan | None | AIADMK |
| 116 | Sulur | Coimbatore | V. P. Kandasamy | None | AIADMK |
| 117 | Kavundampalayam | Coimbatore | P. R. G. Arunkumar | None | AIADMK |
| 118 | Coimbatore North | Coimbatore | Amman K. Arjunan | None | AIADMK |
| 120 | Coimbatore South | Coimbatore | Vanathi Srinivasan | None | BJP |
| 121 | Singanallur | Coimbatore | K. R. Jayaram | None | AIADMK |
Before delimitation in 2009, it consisted of the following constituencies:
* Coimbatore West (defunct)
* Coimbatore East (defunct)
* Perur (defunct)
* Singanallur
* Palladam
* Tiruppur (defunct)

## Members of the Parliament

| Year | Member | Party |
| 1952 | T. A. Ramalingam Chettiar | Indian National Congress |
| 1952^ | N. M. Lingam | Indian National Congress |
| 1957 | Parvathi Krishnan | Communist Party of India |
| 1962 | P. R. Ramakrishnan | Indian National Congress |
| 1967 | K. Ramani | Communist Party of India (Marxist) |
| 1971 | K. Baladhandayutham | Communist Party of India |
| 1974^ | Parvathi Krishnan | Communist Party of India |
| 1977 | Parvathi Krishnan | Communist Party of India |
| 1980 | Era Mohan | Dravida Munnetra Kazhagam |
| 1984 | C. K. Kuppuswamy | Indian National Congress |
| 1989 | C. K. Kuppuswamy | Indian National Congress |
| 1991 | C. K. Kuppuswamy | Indian National Congress |
| 1996 | M. Ramanathan | Dravida Munnetra Kazhagam |
| 1998 | C. P. Radhakrishnan | Bharatiya Janata Party |
| 1999 | C. P. Radhakrishnan | Bharatiya Janata Party |
| 2004 | K. Subbarayan | Communist Party of India |
| 2009 | P. R. Natarajan | Communist Party of India (Marxist) |
| 2014 | P. Nagarajan | All India Anna Dravida Munnetra Kazhagam |
| 2019 | P. R. Natarajan | Communist Party of India (Marxist) |
| 2024 | Ganapathi P. Rajkumar | Dravida Munnetra Kazhagam |
^ By Poll

## Election results

Vote share of Winning candidates :
| 2024 | 2024 | 41.39% | 41.39% |
| 2019 | 2019 | 45.85% | 45.85% |
| 2014 | 2014 | 37.24% | 37.24% |
| 2009 | 2009 | 35.64% | 35.64% |
| 2004 | 2004 | 57.46% | 57.46% |
| 1999 | 1999 | 49.21% | 49.21% |
| 1998 | 1998 | 55.85% | 55.85% |
| 1996 | 1996 | 56.79% | 56.79% |
| 1991 | 1991 | 58.67% | 58.67% |
| 1989 | 1989 | 56.68% | 56.68% |
| 1984 | 1984 | 57.77% | 57.77% |
| 1980 | 1980 | 54.29% | 54.29% |
| 1977 | 1977 | 52.06% | 52.06% |
| 1971 | 1971 | 53.05% | 53.05% |
| 1967 | 1967 | 57.93% | 57.93% |
| 1962 | 1962 | 39.06% | 39.06% |
| 1957 | 1957 | 47.76% | 47.76% |

### General Elections 2024

2024 Indian general election: Coimbatore :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | Ganapathi P. Rajkumar | 568,200 | 41.39 | New |
| | BJP | K. Annamalai [ta] | 4,50,132 | 32.79 | 1.32 |
| | AIADMK | Singai G. Ramachandran | 2,36,490 | 17.23 | New |
| | NTK | Kalamani Jeganathan | 82,657 | 6.02 | 1.16 |
| | NOTA | None of the Above | 11,788 | 0.86 | |
| Margin of victory | Margin of victory | Margin of victory | 1,18,068 | 8.60 | 5.78 |
| Turnout | Turnout | Turnout | | | |
| Registered electors | Registered electors | Registered electors | | | |
| | DMK gain from CPI(M) | DMK gain from CPI(M) | Swing | | |

### General Elections 2019

2019 Indian general election: Coimbatore :
| Party | Party | Candidate | Votes | % | ±% |
| | CPI(M) | P. R. Natarajan | 571,150 | 45.85 | +42.90 |
| | BJP | C. P. Radhakrishnan | 3,92,007 | 31.47 | −2.15 |
| | MNM | R. Mahendran | 1,45,104 | 11.65 | |
| | NTK | S. Kalyana Sundaram | 60,519 | 4.86 | |
| | Independent | N. R. Appathurai | 38,061 | 3.06 | |
| | NOTA | None of the above | 23,190 | 1.86 | 0.36 |
| Margin of victory | Margin of victory | Margin of victory | 1,79,143 | 14.38 | 10.76 |
| Turnout | Turnout | Turnout | 12,45,644 | 63.86 | −3.80 |
| Registered electors | Registered electors | Registered electors | 19,58,904 | | 13.88 |
| | CPI(M) gain from AIADMK | CPI(M) gain from AIADMK | Swing | 8.6 | |

### General Elections 2014

2014 Indian general election: Coimbatore :
| Party | Party | Candidate | Votes | % | ±% |
| | AIADMK | P. Nagarajan | 431,717 | 37.24 | |
| | BJP | C. P. Radhakrishnan | 3,89,701 | 33.62 | +29.01 |
| | DMK | K. Ganeshkumar | 2,17,083 | 18.73 | |
| | INC | R. Prabhu | 56,962 | 4.91 | −26.03 |
| | CPI(M) | P. R. Natarajan | 34,197 | 2.95 | −32.69 |
| | NOTA | None of the above | 17,428 | 1.50 | |
| | AAP | Pon. Chandran | 6,680 | 0.58% | |
| Margin of victory | Margin of victory | Margin of victory | 42,016 | 3.62 | −1.08 |
| Turnout | Turnout | Turnout | 11,59,192 | 68.40 | −3.29 |
| Registered electors | Registered electors | Registered electors | 17,20,221 | | +47.81 |
| | AIADMK gain from CPI(M) | AIADMK gain from CPI(M) | Swing | 1.60 | |

### General Elections 2009

2009 Indian general election: Coimbatore :
| Party | Party | Candidate | Votes | % | ±% |
| | CPI(M) | P. R. Natarajan | 293,165 | 35.64% | |
| | INC | R. Prabhu | 2,54,501 | 30.94% | |
| | KNMK | E. R. Eswaran | 1,28,070 | 15.57% | |
| | DMDK | R. Pandian | 73,188 | 8.90% | |
| | BJP | G. K. S. Selvakumar | 37,909 | 4.61% | −34.13% |
| Margin of victory | Margin of victory | Margin of victory | 38,664 | 4.70% | −14.02% |
| Turnout | Turnout | Turnout | 8,22,566 | 70.81% | 15.20% |
| Registered electors | Registered electors | Registered electors | 11,63,781 | | −26.54% |
| | CPI(M) gain from CPI | CPI(M) gain from CPI | Swing | -21.82% | |

### General Elections 2004

2004 Indian general election: Coimbatore :
| Party | Party | Candidate | Votes | % | ±% |
| | CPI | K. Subbarayan | 504,981 | 57.46% | |
| | BJP | C. P. Radhakrishnan | 3,40,476 | 38.74% | −10.47% |
| | Independent | S. Vellingiri | 11,562 | 1.32% | |
| | BSP | A. Noor Muhamad | 4,484 | 0.51% | |
| | SS | Moogambikai Mani | 4,437 | 0.50% | |
| Margin of victory | Margin of victory | Margin of victory | 1,64,505 | 18.72% | 12.53% |
| Turnout | Turnout | Turnout | 8,78,866 | 55.51% | −0.15% |
| Registered electors | Registered electors | Registered electors | 15,84,223 | | 0.81% |
| | CPI gain from BJP | CPI gain from BJP | Swing | 8.25% | |

### General Elections 1999

1999 Indian general election: Coimbatore :
| Party | Party | Candidate | Votes | % | ±% |
| | BJP | C. P. Radhakrishnan | 430,068 | 49.21% | 43.91% |
| | CPI | R. Nallakannu | 3,75,991 | 43.02% | |
| | TMC(M) | S. R. Balasubramonian | 45,205 | 5.17% | |
| | Independent | R. Lakshmana Narayanan | 9,502 | 1.09% | |
| Margin of victory | Margin of victory | Margin of victory | 54,077 | 6.19% | −11.80% |
| Turnout | Turnout | Turnout | 8,74,020 | 55.63% | −8.77% |
| Registered electors | Registered electors | Registered electors | 15,71,475 | | 5.09% |
| | BJP hold | BJP hold | Swing | -7.59% | |

### General Elections 1998

1998 Indian general election: Coimbatore :
| Party | Party | Candidate | Votes | % | ±% |
| | BJP | C. P. Radhakrishnan | 449,269 | 55.85% | |
| | DMK | K. R. Subbian | 3,04,593 | 37.86% | |
| | INC | R. Krishnan | 40,739 | 5.06% | |
| | BSP | S. T. Kalyanasundaram | 4,596 | 0.57% | |
| Margin of victory | Margin of victory | Margin of victory | 1,44,676 | 17.98% | −14.19% |
| Turnout | Turnout | Turnout | 8,04,485 | 55.28% | −9.12% |
| Registered electors | Registered electors | Registered electors | 14,95,356 | | 13.53% |
| | BJP gain from DMK | BJP gain from DMK | Swing | -0.95% | |

### General Elections 1996

1996 Indian general election: Coimbatore :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | M. Ramanathan | 463,807 | 56.79% | |
| | INC | C. K. Kuppuswamy | 2,01,020 | 24.61% | −34.05% |
| | CPI(M) | P. R. Natarajan | 85,355 | 10.45% | −21.52% |
| | BJP | K. S. Natarajan | 43,289 | 5.30% | −1.48% |
| Margin of victory | Margin of victory | Margin of victory | 2,62,787 | 32.18% | 5.48% |
| Turnout | Turnout | Turnout | 8,16,665 | 64.40% | 3.54% |
| Registered electors | Registered electors | Registered electors | 13,17,120 | | 11.71% |
| | DMK gain from INC | DMK gain from INC | Swing | -1.88% | |

### General Elections 1991

1991 Indian general election: Coimbatore :
| Party | Party | Candidate | Votes | % | ±% |
| | INC | C. K. Kuppuswamy | 408,891 | 58.67% | 1.99% |
| | CPI(M) | K. Ramani | 2,22,827 | 31.97% | −6.10% |
| | BJP | V. Narayanan | 47,267 | 6.78% | 3.44% |
| | IUML | A. Abeeb Rahman | 3,381 | 0.49% | |
| Margin of victory | Margin of victory | Margin of victory | 1,86,064 | 26.70% | 8.09% |
| Turnout | Turnout | Turnout | 6,96,942 | 60.86% | −4.09% |
| Registered electors | Registered electors | Registered electors | 11,79,032 | | 0.44% |
| | INC hold | INC hold | Swing | 1.99% | |

### General Elections 1989

1989 Indian general election: Coimbatore :
| Party | Party | Candidate | Votes | % | ±% |
| | INC | C. K. Kuppuswamy | 426,721 | 56.68% | −1.10% |
| | CPI(M) | R. Umanath | 2,86,653 | 38.07% | −3.04% |
| | BJP | V. Narayanan | 25,132 | 3.34% | |
| Margin of victory | Margin of victory | Margin of victory | 1,40,068 | 18.60% | 1.94% |
| Turnout | Turnout | Turnout | 7,52,918 | 64.95% | −6.37% |
| Registered electors | Registered electors | Registered electors | 11,73,906 | | 30.03% |
| | INC hold | INC hold | Swing | -1.10% | |

### General Elections 1984

1984 Indian general election: Coimbatore :
| Party | Party | Candidate | Votes | % | ±% |
| | INC | C. A. Balakrishnan | 355,525 | 57.77% | |
| | CPI(M) | R. Umanath | 2,53,006 | 41.11% | |
| | Independent | J. Stephen | 6,834 | 1.11% | |
| Margin of victory | Margin of victory | Margin of victory | 1,02,519 | 16.66% | 5.66% |
| Turnout | Turnout | Turnout | 6,15,365 | 71.32% | 5.25% |
| Registered electors | Registered electors | Registered electors | 9,02,773 | | 14.96% |
| | INC gain from DMK | INC gain from DMK | Swing | 3.48% | |

### General Elections 1980

1980 Indian general election: Coimbatore :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | R. Ram Mohan Alias Era Mohan | 276,975 | 54.29% | |
| | CPI | Parvathi Krishnan | 2,20,866 | 43.29% | |
| | INC(U) | K. Ramalingam | 4,219 | 0.83% | |
| | Independent | B. Rajan Alias Rajagopal | 3,166 | 0.62% | |
| Margin of victory | Margin of victory | Margin of victory | 56,109 | 11.00% | 6.88% |
| Turnout | Turnout | Turnout | 5,10,166 | 66.06% | −4.33% |
| Registered electors | Registered electors | Registered electors | 7,85,260 | | 5.65% |
| | DMK gain from CPI | DMK gain from CPI | Swing | 2.23% | |

### General Elections 1977

1977 Indian general election: Coimbatore :
| Party | Party | Candidate | Votes | % | ±% |
| | CPI | Parvathi Krishnan | 267,424 | 52.06% | |
| | INC(O) | K. C. Palanisamy | 2,46,246 | 47.94% | |
| Margin of victory | Margin of victory | Margin of victory | 21,178 | 4.12% | −14.90% |
| Turnout | Turnout | Turnout | 5,13,670 | 70.39% | 2.91% |
| Registered electors | Registered electors | Registered electors | 7,43,258 | | 17.68% |
| | CPI hold | CPI hold | Swing | -0.98% | |

### General Elections 1971

1971 Indian general election: Coimbatore :
| Party | Party | Candidate | Votes | % | ±% |
| | CPI | K. Baladhandayutham | 214,824 | 53.05% | |
| | INC(O) | Ramaswamy | 1,37,771 | 34.02% | |
| | CPI(M) | K. Ramani | 52,388 | 12.94% | |
| Margin of victory | Margin of victory | Margin of victory | 77,053 | 19.03% | 3.17% |
| Turnout | Turnout | Turnout | 4,04,983 | 67.48% | −8.69% |
| Registered electors | Registered electors | Registered electors | 6,31,568 | | 12.56% |
| | CPI gain from CPI(M) | CPI gain from CPI(M) | Swing | -4.88% | |

### General Elections 1967

1967 Indian general election: Coimbatore :
| Party | Party | Candidate | Votes | % | ±% |
| | CPI(M) | K. Ramani | 240,856 | 57.93% | |
| | INC | N. Mahalingam | 1,74,935 | 42.07% | 3.01% |
| Margin of victory | Margin of victory | Margin of victory | 65,921 | 15.85% | 4.85% |
| Turnout | Turnout | Turnout | 4,15,791 | 76.18% | −1.90% |
| Registered electors | Registered electors | Registered electors | 5,61,096 | | 10.05% |
| | CPI(M) gain from INC | CPI(M) gain from INC | Swing | 18.87% | |

### General Elections 1962

1962 Indian general election: Coimbatore :
| Party | Party | Candidate | Votes | % | ±% |
| | INC | P. R. Ramakrishnan | 151,019 | 39.06% | −2.21% |
| | CPI | Parvathi Krishnan | 1,08,458 | 28.05% | |
| | SWA | K. Sundaram | 74,932 | 19.38% | |
| | DMK | Somasundaram | 41,724 | 10.79% | |
| | Socialist Labour Party (India) | V. N. Arunachyalam | 7,516 | 1.94% | |
| | Independent | S. Arumugham | 2,977 | 0.77% | |
| Margin of victory | Margin of victory | Margin of victory | 42,561 | 11.01% | 4.52% |
| Turnout | Turnout | Turnout | 3,86,626 | 78.08% | 28.06% |
| Registered electors | Registered electors | Registered electors | 5,09,869 | | 10.29% |
| | INC gain from CPI | INC gain from CPI | Swing | -8.70% | |

### General Elections 1957

1957 Indian general election: Coimbatore :
| Party | Party | Candidate | Votes | % | ±% |
| | CPI | Parvathi Krishnan | 110,454 | 47.76% | |
| | INC | P. S. Rangasami | 95,442 | 41.27% | |
| | Independent | Palanisami | 25,349 | 10.96% | |
| Margin of victory | Margin of victory | Margin of victory | 15,012 | 6.49% | |
| Turnout | Turnout | Turnout | 2,31,245 | 50.02% | 50.02% |
| Registered electors | Registered electors | Registered electors | 4,62,294 | | 33.45% |
| | CPI gain from INC | CPI gain from INC | Swing | | |

### General Elections 1951

1951–52 Indian general election: Coimbatore :
| Party | Party | Candidate | Votes | % | ±% |
| | INC | T. A. Ramalingam | Unopposed | Unopposed | Unopposed |
| Margin of victory | Margin of victory | Margin of victory | | | |
| Turnout | Turnout | Turnout | 0 | 0.00% | |
| Registered electors | Registered electors | Registered electors | 3,46,405 | | 0.00% |
| | INC win (new seat) | INC win (new seat) | INC win (new seat) | INC win (new seat) | INC win (new seat) |