# Hosur Assembly constituency

12°44′06″N 77°49′44″E﻿ / ﻿12.735°N 77.829°E﻿ / 12.735; 77.829
Hosur is a state assembly constituency in Krishnagiri district in Tamil Nadu, India. Its State Assembly Constituency number is 55. It consists of a portion of Hosur taluk. It forms a part of Krishnagiri 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.

## Members of Legislative Assembly
### Madras State

| Year | Winner | Party |
| 1952 | R. Muni Reddy | Independent |
| 1957 | K. Appavu Pillai | Independent |
| 1962 | Ramachandra Reddy | Indian National Congress |
| 1967 | B. Venkataswamy | Swatantra Party |

### Tamil Nadu

| Year | Winner | Party |
| 1971 | B. Venkataswamy | Swatantra Party |
| 1977 | N. Ramachandra Reddy | Indian National Congress |
| 1980 | T. Venkata Reddy | Indian National Congress (I) |
| 1984 | T. Venkata Reddy | Indian National Congress |
| 1989 | N. Ramachandra Reddy | Indian National Congress |
| 1991 | K. A. Manoharan | Indian National Congress |
| 1996 | B. Venkatasamy | Janata Dal |
| 2001 | K. Gopinath | Indian National Congress |
| 2006 | K. Gopinath | Indian National Congress |
| 2011 | K. Gopinath | Indian National Congress |
| 2016 | P. Balakrishna Reddy :20.02.2019 - Disqualified as convicted by special court | All India Anna Dravida Munnetra Kazhagam |
| 2019 by-election | S. A. Sathya | Dravida Munnetra Kazhagam |
| 2021 | Y. Prakaash | Dravida Munnetra Kazhagam |

## Election results

Vote share of winning candidates :
| 2021 | 2021 | 47.65% | 47.65% |
| 2019 by-election | 2019 by-election | 50.30% | 50.30% |
| 2016 | 2016 | 41.59% | 41.59% |
| 2011 | 2011 | 37.79% | 37.79% |
| 2006 | 2006 | 42.08% | 42.08% |
| 2001 | 2001 | 35.24% | 35.24% |
| 1996 | 1996 | 34.89% | 34.89% |
| 1991 | 1991 | 47.64% | 47.64% |
| 1989 | 1989 | 39.78% | 39.78% |
| 1984 | 1984 | 48.37% | 48.37% |
| 1980 | 1980 | 49.80% | 49.80% |
| 1977 | 1977 | 58.12% | 58.12% |
| 1971 | 1971 | 63.81% | 63.81% |
| 1967 | 1967 | 52.69% | 52.69% |
| 1962 | 1962 | 64.46% | 64.46% |
| 1957 | 1957 | 39.60% | 39.60% |
| 1952 | 1952 | 53.90% | 53.90% |

### 2021

2021 Tamil Nadu Legislative Assembly election: Hosur :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | Y. Prakaash | 118,231 | 47.65 | New |
| | AIADMK | S. Jyothi | 105,864 | 42.67 | +1.08 |
| | NTK | S. Geetha Lakshmi | 11,422 | 4.60 | +3.20 |
| | MNM | S. Masood | 6,563 | 2.65 | New |
| | NOTA | NOTA | 1,976 | 0.80 | −0.80 |
| Margin of victory | Margin of victory | Margin of victory | 12,367 | 4.98 | −5.68 |
| Turnout | Turnout | Turnout | 248,098 | 70.54 | −0.63 |
| Rejected ballots | Rejected ballots | Rejected ballots | 264 | 0.11 | |
| Registered electors | Registered electors | Registered electors | 351,715 | | |
| | DMK gain from AIADMK | DMK gain from AIADMK | Swing | 6.07 | |

### 2019 by-election

2019 Tamil Nadu Legislative Assembly by-elections: Hosur :
| Party | Party | Candidate | Votes | % | ±% |
| | DMK | S. A. Sathya | 115,027 | 50.30 | +50.30 |
| | AIADMK | S. Jyothi Reddy | 91,814 | 40.15 | −1.44 |
| | MNM | P. Jeyapal | 8,032 | 3.51 | +3.51 |
| | NTK | M. Rajasekar | 6,740 | 2.95 | +2.95 |
| | NOTA | None of the Above | 4,262 | 1.86 | +0.26 |
| Majority | Majority | Majority | 23,213 | 10.15 | −0.52 |
| Turnout | Turnout | Turnout | 2,28,709 | 69.87 | −1.34 |
| | DMK gain from AIADMK | DMK gain from AIADMK | Swing | +8.71 | |

### 2016

2016 Tamil Nadu Legislative Assembly election: Hosur :
| Party | Party | Candidate | Votes | % | ±% |
| | AIADMK | P. Balakrishna Reddy | 89,510 | 41.59% | New |
| | INC | K. Gopinath | 66,546 | 30.92% | −6.87 |
| | BJP | G. Balakrishnan | 28,850 | 13.40% | +2.24 |
| | PMK | P. Muniraj | 10,309 | 4.79% | New |
| | DMDK | V. Chandran | 7,780 | 3.61% | −25.95 |
| | NOTA | NOTA | 3,445 | 1.60% | New |
| | NTK | Alex Esther | 3,021 | 1.40% | New |
| | SDPI | N. Shanawaskhan | 1,134 | 0.53% | New |
| Margin of victory | Margin of victory | Margin of victory | 22,964 | 10.67% | 2.45% |
| Turnout | Turnout | Turnout | 215,231 | 71.17% | −3.83% |
| Registered electors | Registered electors | Registered electors | 302,410 | | |
| | AIADMK gain from INC | AIADMK gain from INC | Swing | 3.80% | |

### 2011

2011 Tamil Nadu Legislative Assembly election: Hosur :
| Party | Party | Candidate | Votes | % | ±% |
| | INC | K. Gopinath | 65,034 | 37.79% | −4.29 |
| | DMDK | S. John Timothy | 50,882 | 29.56% | +22.88 |
| | Independent | S. A. Sathya | 24,639 | 14.32% | New |
| | BJP | Bala Krishnan | 19,217 | 11.17% | +0.25 |
| | Independent | Chitrambalam | 6,325 | 3.68% | New |
| | Independent | S. Ramadevan | 2,018 | 1.17% | New |
| | Independent | G. C. Ramaswamy | 1,517 | 0.88% | New |
| | BSP | H. Sanaulla Shariff | 1,430 | 0.83% | −0.2 |
| | Independent | V. Manjunath | 1,044 | 0.61% | New |
| Margin of victory | Margin of victory | Margin of victory | 14,152 | 8.22% | 2.40% |
| Turnout | Turnout | Turnout | 172,106 | 75.00% | 6.04% |
| Registered electors | Registered electors | Registered electors | 229,478 | | |
| | INC hold | INC hold | Swing | -4.29% | |

### 2006

2006 Tamil Nadu Legislative Assembly election: Hosur :
| Party | Party | Candidate | Votes | % | ±% |
| | INC | K. Gopinath | 90,647 | 42.08% | +6.85 |
| | AIADMK | V. Sampangi Ramaiah | 78,096 | 36.26% | New |
| | BJP | B. Venkataswamy | 23,514 | 10.92% | −19.34 |
| | DMDK | V. Chandiran | 14,401 | 6.69% | New |
| | Independent | G. C. Ramasamy | 3,375 | 1.57% | New |
| | BSP | M. Chitrambalam | 2,227 | 1.03% | New |
| | TNJC | N. Krishna Reddy | 1,186 | 0.55% | New |
| | Independent | A. Basha | 1,092 | 0.51% | New |
| Margin of victory | Margin of victory | Margin of victory | 12,551 | 5.83% | 0.84% |
| Turnout | Turnout | Turnout | 215,406 | 68.95% | 13.77% |
| Registered electors | Registered electors | Registered electors | 312,387 | | |
| | INC hold | INC hold | Swing | 6.85% | |

### 2001

2001 Tamil Nadu Legislative Assembly election: Hosur :
| Party | Party | Candidate | Votes | % | ±% |
| | INC | K. Gopinath | 45,865 | 35.24% | +25.82 |
| | BJP | B. Venkataswamy | 39,376 | 30.25% | +27.39 |
| | Independent | V. Sampangi Ramiah | 30,909 | 23.75% | New |
| | Independent | H. K. Srinivasan | 4,270 | 3.28% | New |
| | UCPI | M. S. Ramasamy Reddy | 2,087 | 1.60% | New |
| | Independent | R. Varalakshmi | 1,914 | 1.47% | New |
| | Independent | K. Narayanappa | 1,607 | 1.23% | New |
| | JD(S) | N. M. Sivanna | 1,492 | 1.15% | New |
| | Independent | K. Gowrappa | 1,172 | 0.90% | New |
| | Independent | Dr. V. Rajagopal | 772 | 0.59% | New |
| | JD(U) | M. B. Shanmugasundar | 699 | 0.54% | New |
| Margin of victory | Margin of victory | Margin of victory | 6,489 | 4.99% | 3.52% |
| Turnout | Turnout | Turnout | 130,163 | 55.19% | −6.19% |
| Registered electors | Registered electors | Registered electors | 235,967 | | |
| | INC gain from JD | INC gain from JD | Swing | 0.35% | |

### 1996

1996 Tamil Nadu Legislative Assembly election: Hosur :
| Party | Party | Candidate | Votes | % | ±% |
| | JD | B. Venkataswamy | 41,456 | 34.89% | New |
| | TMC(M) | T. Venkata Reddy | 39,719 | 33.43% | New |
| | Independent | V. Sampangiramiah | 20,355 | 17.13% | New |
| | INC | K. Gopinath | 11,190 | 9.42% | −38.23 |
| | BJP | M. Govindhareddy | 3,399 | 2.86% | −7.73 |
| | JP | G. Gummareddy | 851 | 0.72% | New |
| Margin of victory | Margin of victory | Margin of victory | 1,737 | 1.46% | −7.34% |
| Turnout | Turnout | Turnout | 118,830 | 61.37% | 3.21% |
| Registered electors | Registered electors | Registered electors | 212,268 | | |
| | JD gain from INC | JD gain from INC | Swing | -12.76% | |

### 1991

1991 Tamil Nadu Legislative Assembly election: Hosur :
| Party | Party | Candidate | Votes | % | ±% |
| | INC | K. A. Manoharan | 47,346 | 47.64% | +7.86 |
| | JD | B. Venkataswamy | 38,600 | 38.84% | New |
| | BJP | K. S. Narendiran | 10,521 | 10.59% | New |
| | PMK | B. Subramaniyam | 1,958 | 1.97% | New |
| Margin of victory | Margin of victory | Margin of victory | 8,746 | 8.80% | 6.64% |
| Turnout | Turnout | Turnout | 99,377 | 58.16% | −6.70% |
| Registered electors | Registered electors | Registered electors | 177,739 | | |
| | INC hold | INC hold | Swing | 7.86% | |

### 1989

1989 Tamil Nadu Legislative Assembly election: Hosur :
| Party | Party | Candidate | Votes | % | ±% |
| | INC | Ramachandra Reddy | 37,934 | 39.78% | −8.59 |
| | JP | B. Venkataswamy | 35,873 | 37.62% | New |
| | AIADMK | P. M. Nanjunda Samy | 12,613 | 13.23% | New |
| | AIADMK | S. S. Abubacker | 3,491 | 3.66% | New |
| | Independent | V. K. Venkata Samy | 759 | 0.80% | New |
| | Independent | S. Sugumar | 755 | 0.79% | New |
| | Independent | K. Sundar Raj | 599 | 0.63% | New |
| | Independent | P. Kakiappa | 578 | 0.61% | New |
| | Independent | R. Venkatagiri | 549 | 0.58% | New |
| | Independent | H. Saroja | 512 | 0.54% | New |
| Margin of victory | Margin of victory | Margin of victory | 2,061 | 2.16% | −25.52% |
| Turnout | Turnout | Turnout | 95,364 | 64.86% | −1.47% |
| Registered electors | Registered electors | Registered electors | 152,293 | | |
| | INC hold | INC hold | Swing | -8.59% | |

### 1984

1984 Tamil Nadu Legislative Assembly election: Hosur :
| Party | Party | Candidate | Votes | % | ±% |
| | INC | T. Venkata Reddy | 35,293 | 48.37% | −1.43 |
| | JP | E. Venkatasamy | 15,096 | 20.69% | New |
| | Independent | K. A. Manoharan | 12,884 | 17.66% | New |
| | Independent | N. Sampangiramai | 5,921 | 8.11% | New |
| | Independent | M. B. Shanumga Sudaram | 2,199 | 3.01% | New |
| | Independent | Kakiappan | 923 | 1.26% | New |
| | Independent | K. Krishnamoorthi | 649 | 0.89% | New |
| Margin of victory | Margin of victory | Margin of victory | 20,197 | 27.68% | 19.18% |
| Turnout | Turnout | Turnout | 72,965 | 66.33% | 16.49% |
| Registered electors | Registered electors | Registered electors | 120,813 | | |
| | INC hold | INC hold | Swing | -1.43% | |

### 1980

1980 Tamil Nadu Legislative Assembly election: Hosur :
| Party | Party | Candidate | Votes | % | ±% |
| | INC | T. Venkata Reddy | 25,855 | 49.80% | −8.32 |
| | Independent | K. S. Kothanda Ramaiah | 21,443 | 41.31% | New |
| | INC(U) | S. Seetharama Reddy | 1,889 | 3.64% | New |
| | JP | K. Krishna Moorthy | 1,446 | 2.79% | New |
| | Independent | Kullappa | 744 | 1.43% | New |
| | Independent | R. Ramakrisha Reddy | 536 | 1.03% | New |
| Margin of victory | Margin of victory | Margin of victory | 4,412 | 8.50% | −23.87% |
| Turnout | Turnout | Turnout | 51,913 | 49.85% | −9.11% |
| Registered electors | Registered electors | Registered electors | 106,169 | | |
| | INC hold | INC hold | Swing | -8.32% | |

### 1977

1977 Tamil Nadu Legislative Assembly election: Hosur :
| Party | Party | Candidate | Votes | % | ±% |
| | INC | Ramachandra Reddy | 30,818 | 58.12% | New |
| | JP | K. S. Kothandaramiah | 13,653 | 25.75% | New |
| | AIADMK | M. Ramasamy | 4,981 | 9.39% | New |
| | DMK | A. Mohamad Salasa | 3,573 | 6.74% | New |
| Margin of victory | Margin of victory | Margin of victory | 17,165 | 32.37% | 2.57% |
| Turnout | Turnout | Turnout | 53,025 | 58.96% | 0.24% |
| Registered electors | Registered electors | Registered electors | 92,284 | | |
| | INC gain from SWA | INC gain from SWA | Swing | -5.69% | |

### 1971

1971 Tamil Nadu Legislative Assembly election: Hosur :
| Party | Party | Candidate | Votes | % | ±% |
| | SWA | B. Venkataswamy | 28,259 | 63.81% | New |
| | Independent | T. Venkata Reddy | 15,063 | 34.01% | New |
| | Independent | Kullappa | 965 | 2.18% | New |
| Margin of victory | Margin of victory | Margin of victory | 13,196 | 29.80% | 24.41% |
| Turnout | Turnout | Turnout | 44,287 | 58.72% | 3.46% |
| Registered electors | Registered electors | Registered electors | 80,662 | | |
| | SWA hold | SWA hold | Swing | 11.12% | |

### 1967

1967 Madras Legislative Assembly election: Hosur :
| Party | Party | Candidate | Votes | % | ±% |
| | SWA | B. Venkataswami | 21,530 | 52.69% | New |
| | INC | K. Appavu Pillai | 19,329 | 47.31% | −17.15 |
| Margin of victory | Margin of victory | Margin of victory | 2,201 | 5.39% | −23.54% |
| Turnout | Turnout | Turnout | 40,859 | 55.25% | 9.79% |
| Registered electors | Registered electors | Registered electors | 77,814 | | |
| | SWA gain from INC | SWA gain from INC | Swing | -11.77% | |

### 1962

1962 Madras Legislative Assembly election: Hosur :
| Party | Party | Candidate | Votes | % | ±% |
| | INC | Ramachandra Reddy | 25,577 | 64.46% | +28.89 |
| | SWA | K. Shamanna | 14,101 | 35.54% | New |
| Margin of victory | Margin of victory | Margin of victory | 11,476 | 28.92% | 24.90% |
| Turnout | Turnout | Turnout | 39,678 | 45.47% | 14.46% |
| Registered electors | Registered electors | Registered electors | 92,141 | | |
| | INC gain from Independent | INC gain from Independent | Swing | 24.86% | |

### 1957

1957 Madras Legislative Assembly election: Hosur :
| Party | Party | Candidate | Votes | % | ±% |
| | Independent | K. Appavu Pillai | 10,305 | 39.60% | New |
| | INC | N. Ramachandra Reddy | 9,257 | 35.57% | −6.28 |
| | Independent | K. Shamanna | 6,460 | 24.83% | New |
| Margin of victory | Margin of victory | Margin of victory | 1,048 | 4.03% | −8.01% |
| Turnout | Turnout | Turnout | 26,022 | 31.01% | −8.76% |
| Registered electors | Registered electors | Registered electors | 83,913 | | |
| | Independent hold | Independent hold | Swing | -14.30% | |

### 1952

1952 Madras Legislative Assembly election: Hosur :
| Party | Party | Candidate | Votes | % | ±% |
| | Independent | M. Muni Reddi | 17,850 | 53.90% | New |
| | INC | K. Appavu Pillai | 13,863 | 41.86% | New |
| | KMPP | K. Shammanna | 1,406 | 4.25% | New |
| Margin of victory | Margin of victory | Margin of victory | 3,987 | 12.04% | |
| Turnout | Turnout | Turnout | 33,119 | 39.77% | |
| Registered electors | Registered electors | Registered electors | 83,284 | | |
| | Independent win (new seat) | Independent win (new seat) | Independent win (new seat) | Independent win (new seat) | Independent win (new seat) |