# Chadayamangalam Assembly constituency

Chadayamangalam is a legislative assembly constituency in the south-eastern area of Kollam district in Kerala, India. It is one among the 11 assembly constituencies in the district. As of the 2021 assembly elections, the current MLA is J. Chinchu Rani of CPI.

## Structure

As per the recent changes on assembly constituency delimitations, the Chadayamangalam assembly constituency consists of Alayamon Panchayat in Punalur Taluk and Chadayamangalam, Chithara, Elamad, Ittiva, Kadakkal, Nilamel and Velinalloor Panchayats in Kottarakkara Taluk.

## Electoral history
### Travancore-Cochin Legislative Assembly Elections

| Year | Winner | Party | Vote Margin | Coalition |
| 1951 | Kesava Pillai | Indian National Congress | 1,703 | Right |
| 1951 | Kochukunju | Praja Socialist Party | 642 | NA |
| 1954 | V. Gangadharan | Praja Socialist Party | 9,634 | NA |

## Members of the Legislative Assembly

The following list contains all members of Kerala legislative assembly who have represented the constituency:
| Election | Niyama Sabha | Member | Party | Tenure |
| 1957 | 1st | Veliyam Bhargavan | Communist Party of India | 1957–1960 |
| 1960 | 2nd | Veliyam Bhargavan | Communist Party of India | 1960–1965 |
| 1967 | 3rd | D. D. Potti | Samyukta Socialist Party | 1967–1970 |
| 1970 | 4th | M. N. Govindan Nair | Communist Party of India | 1970–1977 |
| 1977 | 5th | E. Chandrasekharan Nair | Communist Party of India | 1977–1980 |
| 1980 | 6th | E. Chandrasekharan Nair | Communist Party of India | 1980–1982 |
| 1982 | 7th | K. R. Chandramohan | Communist Party of India | 1982–1984 |
| 1987 | 8th | K. R. Chandramohan | Communist Party of India | 1987–1991 |
| 1991 | 9th | K. R. Chandramohan | Communist Party of India | 1991–1996 |
| 1996 | 10th | R. Latha Devi | Communist Party of India | 1996–2001 |
| 2001 | 11th | Prayar Gopalakrishnan | Indian National Congress | 2001–2006 |
| 2006 | 12th | Mullakara Ratnakaran | Communist Party of India | 2006–2011 |
| 2011 | 13th | Mullakara Ratnakaran | Communist Party of India | 2011–2016 |
| 2016 | 14th | Mullakara Ratnakaran | Communist Party of India | 2016 - 2021 |
| 2021 | 15th | J. Chinchu Rani | Communist Party of India | Incumbent |

## Election results

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

### 2021

There were 1,97,285 registered voters in the constituency for the 2021 Kerala Niyamasabha Election.
2021 Kerala Legislative Assembly election: Chadayamangalam :
| Party | Party | Candidate | Votes | % | ±% |
| | CPI | J. Chinchu Rani | 67,252 | 45.69 | 3.41 |
| | INC | M.M.Naseer | 53,574 | 36.40 | 2.41 |
| | BJP | Vishnu Pattathanam | 22,238 | 15.11 | 1. 84 |
| | SDPI | Sharafath Mallam | 1,879 | 1.28 | 0.28 |
| | NOTA | None of the above | 685 | 0.47 | 0.01 |
| | WPOI | Archana Prajith | 605 | 0.41 | 0.07 |
| | BSP | Lalu | 406 | 0.28 | |
| | Anna DHRM | Ratheesh Kadakkal | 280 | 0.19 | |
| | Independent | Shibu.K.Chadayamangalam | 258 | 0.18 | |
| Margin of victory | Margin of victory | Margin of victory | 13,678 | 9.29 | 5.82 |
| Turnout | Turnout | Turnout | 1,47,177 | 74.60 | 0.82 |
| | CPI hold | CPI hold | Swing | 3.41 | |

### 2016

There were 1,96,733 registered voters in the constituency for the 2016 Kerala Niyamasabha Election.
2016 Kerala Legislative Assembly election: Chadayamangalam :
| Party | Party | Candidate | Votes | % | ±% |
| | CPI | Mullakkara Ratnakaran | 71,262 | 49.10 | 6.80 |
| | INC | M. M. Hassan | 49,334 | 33.99 | 3.37 |
| | BJP | K. Sivadasan | 19,259 | 13.27 | 10.01 |
| | SDPI | Jaleel Kadakkal | 1,445 | 1.00 | 0.41 |
| | WPOI | Sajeed Khaleedu | 1,222 | 0.84 | − |
| | NOTA | None of the above | 699 | 0.48 | |
| | Independent | Sunny Itriva | 538 | 0.37 | |
| | SS | Sreejith S. | 284 | 0.20 | |
| Margin of victory | Margin of victory | Margin of victory | 21,928 | 15.11 | 3.43 |
| Turnout | Turnout | Turnout | 1,45,141 | 73.78 | 2.03 |
| | CPI hold | CPI hold | Swing | 6.80 | |

### Niyamasabha Election 2011

There were 1,77,610 registered voters in the constituency for the 2011 election.
2011 Kerala Legislative Assembly election: Chadayamangalam :
| Party | Party | Candidate | Votes | % | ±% |
| | CPI | Mullakkara Ratnakaran | 71,231 | 55.90 | |
| | INC | Shahida Kamal | 47,607 | 37.56 | |
| | BJP | T. C. Saju Kumar | 4,160 | 3.26 | |
| | SDPI | Jaleel Kadakkal | 1,800 | 1.41 | |
| | Independent | Shibu K. Chadayamangalam | 1,078 | 0.85 | − |
| | BSP | Kootukkal Prasad | 996 | 0.78 | |
| | Independent | Oyoor Nazeer | 557 | 0.44 | |
| Margin of victory | Margin of victory | Margin of victory | 23,624 | 18.54 | |
| Turnout | Turnout | Turnout | 1,27,429 | 71.75 | |
| | CPI hold | CPI hold | Swing | | |