# Katpadi Assembly constituency

12°59′N 79°08′E﻿ / ﻿12.98°N 79.13°E﻿ / 12.98; 79.13
Katpadi is a state assembly constituency in Vellore district in Tamil Nadu, India. Its State Assembly Constituency number is 40. It comprises portions of the Katpadi, Vellore, and Walajah taluks. It is a part of Arakkonam Lok Sabha constituency for national elections to the Parliament of India. The constituency was formed in 1962 by separating Gudiyatham Assembly constituency. It is one of the 234 State Legislative Assembly Constituencies in Tamil Nadu, in India.

## Demographics

Demographics (2016) :
| Category | Data |
| Created | 2016 |
| Adi dravidar | 25% |
| Vanniyar | 25% |
| Sengunthar kaikolar mudaliar | 20% |
| Telugu People and Religious Minorities | 20% |
| Others | 10% |
| Total Electorate (2016) | 2,29,868 |

## Members of Legislative Assembly
### Madras State

| Year | Winner | Party | Party |
| 1962 | B. Rajagopal Naidu | | Indian National Congress |
| 1967 | G. Natarajan | | Dravida Munnetra Kazhagam |

### Tamil Nadu

| Year | Winner | Party |
| 1971 | Durai Murugan | Dravida Munnetra Kazhagam |
| 1977 | M. A. Jayavelu | All India Anna Dravida Munnetra Kazhagam |
| 1980 | N. A. Poongavanam | Communist Party of India |
| 1984 | G. Ragupathi | All India Anna Dravida Munnetra Kazhagam |
| 1989 | Durai Murugan | Dravida Munnetra Kazhagam |
| 1991 | K. M. Kalaiselvi | All India Anna Dravida Munnetra Kazhagam |
| 1996 | Durai Murugan | Dravida Munnetra Kazhagam |
| 2001 | Durai Murugan | Dravida Munnetra Kazhagam |
| 2006 | Durai Murugan | Dravida Munnetra Kazhagam |
| 2011 | Durai Murugan | Dravida Munnetra Kazhagam |
| 2016 | Durai Murugan | Dravida Munnetra Kazhagam |
| 2021 | Durai Murugan | Dravida Munnetra Kazhagam |

## Election results

Vote share of winning candidates :
| 2021 | 2021 | 46.18% | 46.18% |
| 2016 | 2016 | 50.90% | 50.90% |
| 2011 | 2011 | 49.55% | 49.55% |
| 2006 | 2006 | 57.45% | 57.45% |
| 2001 | 2001 | 49.47% | 49.47% |
| 1996 | 1996 | 61.20% | 61.20% |
| 1991 | 1991 | 56.43% | 56.43% |
| 1989 | 1989 | 43.41% | 43.41% |
| 1984 | 1984 | 57.08% | 57.08% |
| 1980 | 1980 | 46.48% | 46.48% |
| 1977 | 1977 | 38.18% | 38.18% |
| 1971 | 1971 | 57.79% | 57.79% |
| 1967 | 1967 | 53.06% | 53.06% |
| 1962 | 1962 | 44.19% | 44.19% |

### 2021

2021 Tamil Nadu Legislative Assembly election: Katpadi :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | Durai Murugan | 85,140 | 46.18% | −4.72 |
| | AIADMK | V. Ramu | 84,394 | 45.78% | +8.34 |
| | NTK | S. Thirukkumaran | 10,449 | 5.67% | +5.03 |
| | NOTA | NOTA | 1,889 | 1.02% | −0.38 |
| | AMMK | A. S. Raja | 1,066 | 0.58% | New |
| | IJK | M. Sudharsan | 1,003 | 0.54% | New |
| Margin of victory | Margin of victory | Margin of victory | 746 | 0.40% | −13.06% |
| Turnout | Turnout | Turnout | 184,357 | 74.17% | −3.21% |
| Rejected ballots | Rejected ballots | Rejected ballots | 517 | 0.28% | |
| Registered electors | Registered electors | Registered electors | 248,567 | | |
| | DMK hold | DMK hold | Swing | -4.72% | |

### 2016

2016 Tamil Nadu Legislative Assembly election: Katpadi :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | Durai Murugan | 90,534 | 50.90% | +1.35 |
| | AIADMK | S. R. K. Appu | 66,588 | 37.44% | −10.15 |
| | PMK | N. T. Shanmugam | 12,728 | 7.16% | New |
| | NOTA | NOTA | 2,492 | 1.40% | New |
| | TMC(M) | T. V. Sivanandam | 2,163 | 1.22% | New |
| | NTK | L. Puviarasan | 1,135 | 0.64% | New |
| Margin of victory | Margin of victory | Margin of victory | 23,946 | 13.46% | 11.50% |
| Turnout | Turnout | Turnout | 177,870 | 77.38% | −2.17% |
| Registered electors | Registered electors | Registered electors | 229,868 | | |
| | DMK hold | DMK hold | Swing | 1.35% | |

### 2011

2011 Tamil Nadu Legislative Assembly election: Katpadi :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | Durai Murugan | 75,064 | 49.55% | −7.9 |
| | AIADMK | S. R. K. Appu (A) S. Radhakrishnan. | 72,091 | 47.59% | +13.39 |
| | BJP | A. Varadarajan | 1,539 | 1.02% | −0.01 |
| | Independent | M. Sriram | 1,067 | 0.70% | New |
| Margin of victory | Margin of victory | Margin of victory | 2,973 | 1.96% | −21.29% |
| Turnout | Turnout | Turnout | 151,498 | 79.54% | 9.15% |
| Registered electors | Registered electors | Registered electors | 190,456 | | |
| | DMK hold | DMK hold | Swing | -7.90% | |

### 2006

2006 Tamil Nadu Legislative Assembly election: Katpadi :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | Durai Murugan | 86,824 | 57.45% | +7.98 |
| | AIADMK | B. Narayanan | 51,677 | 34.19% | New |
| | DMDK | S. Radha Krishanan | 8,492 | 5.62% | New |
| | BJP | V. R. Suresh | 1,543 | 1.02% | New |
| | Independent | K. Jaganathan | 779 | 0.52% | New |
| Margin of victory | Margin of victory | Margin of victory | 35,147 | 23.26% | 17.09% |
| Turnout | Turnout | Turnout | 151,130 | 70.39% | 3.43% |
| Registered electors | Registered electors | Registered electors | 214,702 | | |
| | DMK hold | DMK hold | Swing | 7.98% | |

### 2001

2001 Tamil Nadu Legislative Assembly election: Katpadi :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | Durai Murugan | 64,187 | 49.47% | −11.73 |
| | PMK | A. K. Natarajan | 56,185 | 43.30% | +39.21 |
| | MDMK | Satchidanandam D | 2,923 | 2.25% | New |
| | Independent | S. Sellapandiyan | 1,997 | 1.54% | New |
| | Puratchi Bharatham | G. Deenadhayalan | 1,563 | 1.20% | New |
| | Independent | M. Velmurugan | 1,071 | 0.83% | New |
| | Independent | Venkatesan K | 781 | 0.60% | New |
| | Independent | A. N. Selvam | 766 | 0.59% | New |
| Margin of victory | Margin of victory | Margin of victory | 8,002 | 6.17% | −27.10% |
| Turnout | Turnout | Turnout | 129,746 | 66.96% | −3.43% |
| Registered electors | Registered electors | Registered electors | 193,925 | | |
| | DMK hold | DMK hold | Swing | -11.73% | |

### 1996

1996 Tamil Nadu Legislative Assembly election: Katpadi :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | Durai Murugan | 75,439 | 61.20% | +28.18 |
| | AIADMK | K. Pandurangan | 34,432 | 27.93% | −28.5 |
| | PMK | B. Murugesan | 5,042 | 4.09% | New |
| | CPI(M) | T. R. Purushothaman | 4,819 | 3.91% | New |
| | Independent | S. Sellapandian | 2,037 | 1.65% | New |
| Margin of victory | Margin of victory | Margin of victory | 41,007 | 33.27% | 9.86% |
| Turnout | Turnout | Turnout | 123,266 | 70.39% | 3.62% |
| Registered electors | Registered electors | Registered electors | 181,380 | | |
| | DMK gain from AIADMK | DMK gain from AIADMK | Swing | 4.77% | |

### 1991

1991 Tamil Nadu Legislative Assembly election: Katpadi :
| Party | Party | Candidate | Votes | % | ±% |
| | AIADMK | K. M. Kalaiselvi | 63,005 | 56.43% | +32.96 |
| | DMK | Durai Murugan | 36,866 | 33.02% | −10.39 |
| | PMK | M. Damodaran | 8,778 | 7.86% | New |
| | Independent | G. Subramani | 1,980 | 1.77% | New |
| Margin of victory | Margin of victory | Margin of victory | 26,139 | 23.41% | 3.47% |
| Turnout | Turnout | Turnout | 111,652 | 66.77% | −2.93% |
| Registered electors | Registered electors | Registered electors | 173,715 | | |
| | AIADMK gain from DMK | AIADMK gain from DMK | Swing | 13.02% | |

### 1989

1989 Tamil Nadu Legislative Assembly election: Katpadi :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | Durai Murugan | 43,181 | 43.41% | +3.79 |
| | AIADMK | R. Margabandu | 23,344 | 23.47% | −33.61 |
| | INC | V. Dhandayutha Pani | 20,859 | 20.97% | New |
| | AIADMK | A. M. Ragunatan | 8,858 | 8.90% | −48.17 |
| | Independent | K. P. Santhana Raj | 2,192 | 2.20% | New |
| Margin of victory | Margin of victory | Margin of victory | 19,837 | 19.94% | 2.48% |
| Turnout | Turnout | Turnout | 99,475 | 69.71% | −6.02% |
| Registered electors | Registered electors | Registered electors | 145,879 | | |
| | DMK gain from AIADMK | DMK gain from AIADMK | Swing | -13.67% | |

### 1984

1984 Tamil Nadu Legislative Assembly election: Katpadi :
| Party | Party | Candidate | Votes | % | ±% |
| | AIADMK | G. Raghupathi | 53,077 | 57.08% | New |
| | DMK | Durai Murugan | 36,839 | 39.62% | New |
| | Independent | T. K. Somasundaram | 1,195 | 1.29% | New |
| | Independent | R. G. S. Mahalingam | 983 | 1.06% | New |
| | Independent | K. P. Santhanaraj | 894 | 0.96% | New |
| Margin of victory | Margin of victory | Margin of victory | 16,238 | 17.46% | 9.78% |
| Turnout | Turnout | Turnout | 92,988 | 75.73% | 18.09% |
| Registered electors | Registered electors | Registered electors | 127,249 | | |
| | AIADMK gain from CPI | AIADMK gain from CPI | Swing | 10.60% | |

### 1980

1980 Tamil Nadu Legislative Assembly election: Katpadi :
| Party | Party | Candidate | Votes | % | ±% |
| | CPI | N. A. Poongavanam | 31,918 | 46.48% | New |
| | INC | A. K. Shanmugasundaram | 26,639 | 38.79% | +34.37 |
| | JP | T. R. Ranga Reddy | 7,214 | 10.50% | New |
| | Independent | M. A. Jayavelu | 2,905 | 4.23% | New |
| Margin of victory | Margin of victory | Margin of victory | 5,279 | 7.69% | 1.02% |
| Turnout | Turnout | Turnout | 68,676 | 57.64% | −5.08% |
| Registered electors | Registered electors | Registered electors | 121,387 | | |
| | CPI gain from AIADMK | CPI gain from AIADMK | Swing | 8.30% | |

### 1977

1977 Tamil Nadu Legislative Assembly election: Katpadi :
| Party | Party | Candidate | Votes | % | ±% |
| | AIADMK | M. A. Jayavelu | 26,873 | 38.18% | New |
| | DMK | Sambasivam | 22,183 | 31.51% | −26.27 |
| | JP | K. P. Navakoti | 15,683 | 22.28% | New |
| | INC | V. N. Rathinam | 3,114 | 4.42% | −27.82 |
| | Independent | P. Natarajan | 1,112 | 1.58% | New |
| | Independent | Ramasamy Alias Shozhan | 878 | 1.25% | New |
| | Independent | K. Govindaraji | 546 | 0.78% | New |
| Margin of victory | Margin of victory | Margin of victory | 4,690 | 6.66% | −18.88% |
| Turnout | Turnout | Turnout | 70,389 | 62.72% | −11.43% |
| Registered electors | Registered electors | Registered electors | 113,689 | | |
| | AIADMK gain from DMK | AIADMK gain from DMK | Swing | -19.61% | |

### 1971

1971 Tamil Nadu Legislative Assembly election: Katpadi :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | Durai Murugan | 37,487 | 57.79% | +4.73 |
| | INC | Dhandayuthapani | 20,919 | 32.25% | −8.05 |
| | CPI(M) | Sundaram | 6,133 | 9.45% | New |
| | Independent | M. Manickam | 329 | 0.51% | New |
| Margin of victory | Margin of victory | Margin of victory | 16,568 | 25.54% | 12.79% |
| Turnout | Turnout | Turnout | 64,868 | 74.15% | −4.87% |
| Registered electors | Registered electors | Registered electors | 91,305 | | |
| | DMK hold | DMK hold | Swing | 4.73% | |

### 1967

1967 Madras Legislative Assembly election: Katpadi :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | G. Natarajan | 32,952 | 53.06% | +18.38 |
| | INC | P. S. R. Naidu | 25,032 | 40.30% | −3.88 |
| | RPI | C. Gopal | 4,125 | 6.64% | New |
| Margin of victory | Margin of victory | Margin of victory | 7,920 | 12.75% | 3.24% |
| Turnout | Turnout | Turnout | 62,109 | 79.02% | 5.40% |
| Registered electors | Registered electors | Registered electors | 82,615 | | |
| | DMK gain from INC | DMK gain from INC | Swing | 8.87% | |

### 1962

1962 Madras Legislative Assembly election: Katpadi :
| Party | Party | Candidate | Votes | % | ±% |
| | INC | B. Rajagopal Naidu | 26,389 | 44.19% | New |
| | DMK | Natarajan | 20,710 | 34.68% | New |
| | CPI | Kothandaraman | 10,192 | 17.07% | New |
| | PSP | A. Kulasekara Naidu | 1,219 | 2.04% | New |
| | Independent | C. R. Gopal | 1,212 | 2.03% | New |
| Margin of victory | Margin of victory | Margin of victory | 5,679 | 9.51% | |
| Turnout | Turnout | Turnout | 59,722 | 73.62% | |
| Registered electors | Registered electors | Registered electors | 85,824 | | |
| | INC win (new seat) | INC win (new seat) | INC win (new seat) | INC win (new seat) | INC win (new seat) |