# Alathur Assembly constituency

Alathur State assembly constituency is one of the 140 state legislative assembly constituencies in Kerala state in southern India. It is also one of the 7 state legislative assembly constituencies included in the Alathur Lok Sabha constituency. As of the 2021 assembly elections, the current MLA is K. D. Prasenan of CPI(M).

## Local self governed segments

Alathur Niyama Sabha constituency is composed of the following local self governed segments:
| Name | Status (grama panchayat/municipality) | Taluk |
| Alathur | Grama panchayat | Alathur |
| Erimayur | Grama panchayat | Alathur |
| Kizhakkanchery | Grama Panchayat | Alathur |
| Kuzhalmannam | Grama panchayat | Alathur |
| Melarcode | Grama panchayat | Alathur |
| Thenkurissi | Grama panchayat | Alathur |
| Vandazhi | Grama panchayat | Alathur |

## Members of Legislative Assembly

The following list contains all members of Kerala Legislative Assembly who have represented Alathur Niyamasabha Constituency during the period of various assemblies:
| Election | Niyama Sabha | Member | Party | Tenure | Majority |
| 1957 | 1st | R. Krishnan | CPI | 1957–1960 | 5,886 |
| 1960 | 2nd | R. Krishnan | CPI | 1960–1965 | 9,224 |
| 1967 | 3rd | R. Krishnan | CPI(M) | 1967–1970 | 12,407 |
| 1970 | 4th | R. Krishnan | CPI(M) | 1970–1977 | 16,458 |
| 1977 | 5th | E. M. S. Namboodiripad | CPI(M) | 1977–1980 | 1,999 |
| 1980 | 6th | C. T. Krishnan | CPI(M) | 1980–1982 | 5,982 |
| 1982 | 7th | C. T. Krishnan | CPI(M) | 1982–1987 | 11,314 |
| 1987 | 8th | C. K. Rajendran | CPI(M) | 1987–1991 | 1,211 |
| 1991 | 9th | A. V. Gopinathan | INC | 1991–1996 | 338 |
| 1996 | 10th | C. K. Rajendran | CPI(M) | 1996–2001 | 12,166 |
| 2001 | 11th | V. Chenthamarakshan | CPI(M) | 2001–2006 | 12,505 |
| 2006 | 12th | M. Chandran | CPI(M) | 2006–2011 | 47,671 |
| 2011 | 13th | M. Chandran | CPI(M) | 2011–2016 | 24,741 |
| 2016 | 14th | K. D. Prasenan | CPI(M) | 2016–2021 | 36,060 |
| 2021 | 15th | K. D. Prasenan | CPI(M) | Incumbent | 34,118 |

## Election results

Percentage change (±%) denotes the change in the number of votes from the immediate previous election.

### Niyamasabha election 2021

Kerala Legislative Assembly election, 2021: Alathur :
| Party | Party | Candidate | Votes | % | ±% |
| | CPI(M) | K. D. Prasenan | 74,653 | 55.15 | .4% |
| | INC | Palayam Pradeep | 40,535 | 29.94 | |
| | BJP | Prasanth Sivan | 18,115 | 13.56 | 1.68% |
| | BSP | Chandran | 699 | 0.52 | 0.27% |
| | Independent | Rajesh.M | 347 | 0.26 | − |
| | NOTA | None of the above | 783 | 0.58 | 0.26% |
| Majority | Majority | Majority | 34,118 | 25.2 | 2.82% |
| Turnout | Turnout | Turnout | 1,35,366 | | |
| | CPI(M) hold | CPI(M) hold | Swing | | |

### Niyamasabha election 2016

There were 165,294 registered voters in Alathur Constituency for the 2016 Election.
2016 Kerala Legislative Assembly election: Alathur :
| Party | Party | Candidate | Votes | % | ±% |
| | CPI(M) | K. D. Prasenan | 71,206 | 55.35% | 2.37% |
| | KC(M) | K. Kusalakumar | 35,146 | 27.32% | 9.08% |
| | BJP | M. P. Sreekumar | 19,610 | 15.24% | 10.53% |
| | NOTA | None of the above | 1,076 | 0.84% | − |
| | BSP | Krishnankutty K. | 1,010 | 0.79% | 0.39% |
| | Independent | Krishnankutty Kunissery | 326 | 0.25% | − |
| | Independent | M. Rajesh | 265 | 0.21% | − |
| Margin of victory | Margin of victory | Margin of victory | 36,060 | 28.03% | 6.71 |
| Turnout | Turnout | Turnout | 1,28,639 | 77.82% | 1.89 |
| | CPI(M) hold | CPI(M) hold | Swing | 2.37 | |

### Niyamasabha election 2011

There were 152,827 registered voters in the constituency for the 2011 election.
2011 Kerala Legislative Assembly election: Alathur :
| Party | Party | Candidate | Votes | % | ±% |
| | CPI(M) | M. Chandran | 66,977 | 57.72% | |
| | KC(M) | K. Kusalakumar | 42,236 | 36.40% | |
| | BJP | K .A. Sulaiman | 5,460 | 4.71% | |
| | BSP | P .D. Paulose | 1,372 | 1.18% | |
| Margin of victory | Margin of victory | Margin of victory | 24,741 | 21.32% | |
| Turnout | Turnout | Turnout | 1,16,045 | 75.93% | |
| | CPI(M) win (new seat) | CPI(M) win (new seat) | CPI(M) win (new seat) | CPI(M) win (new seat) | CPI(M) win (new seat) |

### Niyamasabha election 2006

There were 157,841 registered voters in the constituency for the 2006 election.
2006 Kerala Legislative Assembly election: Alathur :
| Party | Party | Candidate | Votes | % |
| | CPI(M) | M. Chandran | 73,231 | 65.61% |
| | DIC | A. Raghavan | 25,560 | 22.90% |
| | BJP | G. Salprakash | 6,885 | 6.17% |
| | BSP | M. T. Chandran | 1,869 | 1.67% |
| Margin of victory | Margin of victory | Margin of victory | 47,671 | 42.70% |
| Turnout | Turnout | Turnout | 1,11,629 | 70.72% |

### Niyamasabha election 2001

There were 154,832 registered voters in the constituency for the 2001 election.
2001 Kerala Legislative Assembly election: Alathur :
| Party | Party | Candidate | Votes | % |
| | CPI(M) | Chenthamarakshan | 59,485 | 52.92% |
| | INC | R. Chellama | 46,980 | 41.80% |
| | BJP | Harigovidan | 5,937 | 5.28% |
| Margin of victory | Margin of victory | Margin of victory | 12,505 | 11.12% |
| Turnout | Turnout | Turnout | 1,12,447 | 72.83% |

### Niyamasabha election 1996

There were 146,774 registered voters in the constituency for the 1996 election.
1996 Kerala Legislative Assembly election: Alathur :
| Party | Party | Candidate | Votes | % |
| | CPI(M) | C. K. Rajendran | 53,763 | 53.25% |
| | INC | R. Chellama | 41,597 | 41.20% |
| | BJP | P. Krishankutty | 3,313 | 3.28% |
| Margin of victory | Margin of victory | Margin of victory | 12,166 | 12.05% |
| Turnout | Turnout | Turnout | 1,02,725 | 69.98% |

### Niyamasabha election 1991

There were 136,727 registered voters in the constituency for the 1991 election.
1991 Kerala Legislative Assembly election: Alathur :
| Party | Party | Candidate | Votes | % |
| | INC | A. V. Gopinathan | 49,512 | 48.87% |
| | CPI(M) | V Sukumaran Master | 49,174 | 48.53% |
| | BJP | N Bhagyalakshmi | 2,009 | 1.98% |
| Margin of victory | Margin of victory | Margin of victory | 338 | 0.34% |
| Turnout | Turnout | Turnout | 1,01,324 | 74.92% |

### Niyamasabha election 1987

There were 116,246 registered voters in the constituency for the 1987 election.
1987 Kerala Legislative Assembly election: Alathur :
| Party | Party | Candidate | Votes | % |
| | CPI(M) | C. K. Rajendran | 44,381 | 49.77% |
| | Independent | C. S. Ramachandran Master | 43,170 | 48.41% |
| Margin of victory | Margin of victory | Margin of victory | 1,211 | 1.36% |
| Turnout | Turnout | Turnout | 89,176 | 77.77% |

### Niyamasabha election 1982

There were 95,522 registered voters in the constituency for the 1987 election.
1982 Kerala Legislative Assembly election: Alathur :
| Party | Party | Candidate | Votes | % |
| | CPI(M) | C T Krishnan | 39,982 | 56.96% |
| | Independent | C K Balakrishnan | 28,668 | 40.84% |
| Margin of victory | Margin of victory | Margin of victory | 11,314 | 16.12% |
| Turnout | Turnout | Turnout | 70,192 | 74.28% |
| Year | Winner | Party | Votes | Runner up | Party | Votes | Margin |
| 1980 | C. T. Krishnan | CPM | 36,244 | K. P. Kaladharan | IND | 30,262 | 5,982 |
| 1977 | E. M. S. Namboodiripad | CPM | 31,424 | V. S. Vijayaraghavan | Indian National Congress | 29,425 | 1,999 |
| 1970 | R. Krishnan | CPM | 34,193 | P. M. Adulrahiman | IND | 17,735 | 16,458 |
| 1967 | R.Krishnan | CPM | 25,467 | Sarada | Indian National Congress | | |
| 1965 | R.Krishnan | CPM | 26,328 | A. Narayanan | Indian National Congress | 12,472 | 13,856 |
| 1960 | R. Krishnan | Communist Party of India | 31,159 | A. Sunna Sahib | Indian National Congress | 21,935 | 9,224 |
| 1957 | Krishnan R. | Communist Party of India | 19,203 | Vaitheeswara Iyer P. S. | Indian National Congress | 13,317 | 5,886 |

### Niyamasabha election 1952

1952 Madras Legislative Assembly election: Alathur :
| Party | Party | Candidate | Votes | % | ±% |
| | CPI | K. Krishnan | 37,042 | 30.51% | |
| | KMPP | O. Koran | 23,181 | 19.09% | |
| | Independent | Y. R. Ramanatha Iyer | 15,994 | 13.17% | |
| | INC | E. Eacharan | 14,033 | 11.56% | 11.56% |
| | INC | K. C. Pazhanimala | 13,706 | 11.29% | 11.29% |
| | Independent | C. H. Koruman | 5,024 | 4.14% | |
| | Socialist | K. Chathan | 4,671 | 3.85% | |
| | Socialist | K. C. Sukumaran | 4,394 | 3.62% | |
| | Independent | K. Sankunny Nair | 3,372 | 2.78% | |
| Margin of victory | Margin of victory | Margin of victory | 13,861 | 11.42% | |
| Turnout | Turnout | Turnout | 1,21,417 | 94.38% | |
| Registered electors | Registered electors | Registered electors | 1,28,651 | | |
| | CPI win (new seat) | CPI win (new seat) | CPI win (new seat) | CPI win (new seat) | CPI win (new seat) |