# Chathannoor Assembly constituency

Chathannoor or Chathannur is a legislative assembly constituency in Kollam district of Kerala, India. As of the 2021 assembly elections, the current MLA is G. S. Jayalal of CPI.

## History

The constituency was previously known as Paravur Assembly Constituency. It was temporarily merged with Varkala constituency in 1957. Because of the merger, the Varkala constituency became a two-member constituency during the legislative assembly election of 1957 and interim election of 1960. Later in 1967, the new constituency was carved out of Varkala and is named as Chathannoor assembly constituency. The MLA office was shifted from Paravur to Chathannoor. In 1967, P. Ravindran of CPI became the first elected member from Chathannoor assembly constituency.

## Structure

As per the recent changes on assembly constituency delimitations, the Chathannoor assembly constituency consists of Paravur municipal town and 6 neighbouring panchayaths including Chathannoor, Adichanalloor, Chirakkara, Poothakkulam, Kalluvathukkal, Pooyappally.

## Major institutions in the constituency

* Municipalities: 1 (Paravur)
* Panchayaths: 5 (Chathannoor, Adichanalloor, Poothakkulam, Kalluvathukkal, Pooyappally)
* Railway stations: 1 (Paravur railway station)
* Bus stations: 2 (Chathannoor KSRTC Bus Station, Paravur Municipal Bus Station)
* Medical college hospital: 1 (Kollam Government Medical College, Parippally)
* Government hospitals: 2 (Government MCH, Govt. Taluk Hospital, Paravur)
* Private hospitals: 3 (Azeezia Medical College Meeyannoor, Kollam KIMS Sithara Jn, Holy Cross Hospital Kottiyam)

## Electoral history
### Paravur Assembly Constituency: Travancore-Cochin Legislative Assembly Elections

| Year | Winner | Party | Vote Margin | Coalition |
| 1951 | P. Ravindran | Independent | 7,790 | Left |
| 1954 | P. Ravindran | CPI | 3,878 | Left |

## Members of Legislative Assembly

The following list contains all members of Kerala legislative assembly who have represented the constituency:
| Election | Member | Party |
| 1965 | Thankappan Pillai | Independent |
| 1967 | P. Ravindran | Communist Party of India |
| 1970 | P. Ravindran | Communist Party of India |
| 1977 | J. Chitharanjan | Communist Party of India |
| 1980 | J. Chitharanjan | Communist Party of India |
| 1982 | C. V. Padmarajan | Indian National Congress |
| 1987 | P. Ravindran | Communist Party of India |
| 1991 | C. V. Padmarajan | Indian National Congress |
| 1996 | P. Ravindran | Communist Party of India |
| 1998* | N. Anirudhan | Communist Party of India |
| 2001 | G. Prathapavarma Thampan | Indian National Congress |
| 2006 | N. Anirudhan | Communist Party of India |
| 2011 | G. S. Jayalal | Communist Party of India |
| 2016 | G. S. Jayalal | Communist Party of India |
| 2021 | G. S. Jayalal | Communist Party of India |
* indicates bypolls

## Election results

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

### 2021

There were 1,84,661 registered voters in the constituency for the 2021 Kerala Niyamasabha Election.
2021 Kerala Legislative Assembly election: Chathannur :
| Party | Party | Candidate | Votes | % | ±% |
| | CPI | G. S. Jayalal | 59,296 | 43.12 | 7.64 |
| | BJP | B. B. Gopakumar | 42,090 | 30.61 | 5.69 |
| | INC | N. Peethambara Kurup | 34,280 | 24.93 | 2.30 |
| | NOTA | None of the above | 642 | 0.47 | |
| | BSP | Sunu Bhaskaran | 364 | 0.26 | 0.11 |
| | Independent | Sethu | 172 | 0.13 | |
| | Independent | Varinjam Rajeev | 135 | 0.10 | |
| Margin of victory | Margin of victory | Margin of victory | 17,206 | 12.51 | 13.33 |
| Turnout | Turnout | Turnout | 1,37,503 | 74.46 | 0.43 |
| | CPI hold | CPI hold | Swing | 7.64 | |

### 2016

There were 1,79,928 registered voters in the constituency for the 2016 Kerala Niyamasabha Election.
2016 Kerala Legislative Assembly election: Chathannur :
| Party | Party | Candidate | Votes | % | ±% |
| | CPI | G. S. Jayalal | 67,606 | 50.76 | 1.9 |
| | BJP | B. B. Gopakumar | 33,199 | 24.92 | 21.56 |
| | INC | Soorand Rajasekharan | 30,139 | 22.63 | 19.01 |
| | Independent | Raju | 658 | 0.49 | |
| | NOTA | None of the above | 604 | 0.45 | |
| | BSP | Salimraj A. | 491 | 0.37 | 0.06 |
| | SS | Velayudhan Pillai | 290 | 0.22 | 0.03 |
| | API | Jayakala L. | 212 | 0.16 | |
| Margin of victory | Margin of victory | Margin of victory | 34,407 | 25.84 | 14.82 |
| Turnout | Turnout | Turnout | 1,33,199 | 74.03 | 2.90 |
| | CPI hold | CPI hold | Swing | 1.90 | |

### 2011

There were 1,60,688 registered voters in the constituency for the 2011 election.
2011 Kerala Legislative Assembly election: Chathannur :
| Party | Party | Candidate | Votes | % |
| | CPI | G. S. Jayalal | 60,187 | 52.66 |
| | INC | Bindu Krishna | 47,598 | 41.64 |
| | BJP | Kizhakkanela Sudhakaran | 3,839 | 3.36 |
| | Independent | A. Sasi | 1,134 | 0.99 |
| | Independent | Jayalal | 763 | 0.67 |
| | BSP | Maliode Sudhan | 490 | 0.43 |
| | SS | Sasikumar | 287 | 0.25 |
| Margin of victory | Margin of victory | Margin of victory | 12,589 | 11.02 |
| Turnout | Turnout | Turnout | 1,14,298 | 71.13 |
| | CPI hold | CPI hold | Swing | |