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Assembly constituency 126 · Kerala

Chathannoor is assembly constituency number 126 in Kerala, in Kollam district, and one of the segments of the Kollam Lok Sabha seat. In the 2026 election B.b.gopakumar of the Bharatiya Janata Party won with 38.0% of the vote, 4,398 votes ahead of Adv.r.rajendran (CPI).

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Chathannoor · 2026AC 126
  1. 01
    B.b.gopakumar
    BJP
    51,923
    38.04%
  2. 02
    Adv.r.rajendran
    CPI
    47,525
    34.82%
  3. 03
    Sooraj Ravi
    INC
    35,276
    25.84%
  4. 04
    Arun Chathannoor
    AAP
    627
    0.46%
  5. 05
    Sindhu Puthenkulam
    DHRMP
    428
    0.31%
  6. NOTA · 728 (0.53%)

Margin 4,398 votes · 3.22% of valid votes

1,77,538
Registered electors
2026 election
77.0%
Turnout
+2.6 pts vs 2021
4,398
Victory margin
3.2% of valid votes
Apr 2026 · candidate-wise result

All 5 candidates, ranked by votes. Vote share is of the 1,36,507 valid votes, NOTA included.

Chathannoor 2026 assembly election result
#CandidatePartyVotesVote share
1B.b.gopakumarMale · 60 yrsBJP51,923
38.04%
2Adv.r.rajendranMale · 68 yrsCPI47,525
34.82%
3Sooraj RaviMale · 50 yrsINC35,276
25.84%
—NOTANOTA728
0.53%
4Arun ChathannoorMale · 39 yrsAAP627
0.46%
5Sindhu PuthenkulamFemale · 44 yrs · SCDHRMP428
0.31%
Past results

The seat changed hands: CPI won in 2021, BJP in 2026.

0%20%40%60%2011201620212026BJP 38.0%CPI 34.8%INC 25.8%
Vote share, % of valid votes. Hover or focus a year for exact values.
2026B.b.gopakumarBJP · 38.0% · margin 4,398Turnout77.0%
2021G.S. JayalalCPI · 43.1% · margin 17,206Turnout74.4%
2016G.s.jayalalCPI · 50.8% · margin 34,407Turnout74.0%
2011G.s.jayalalCPI · 52.7% · margin 12,589Turnout71.1%

General elections since the 2008 delimitation. Results from before the current boundaries are not compared.

Chathannoor result 2021

Chathannoor 2021 result
#CandidatePartyVotesVote share
1G.S. JayalalCPI59,296
43.12%
2B. B. GopakumarBJP42,090
30.61%
3N. PeethambarakurupINC34,280
24.93%
—NOTANOTA642
0.47%
4Shanmughan ParavurADHRMPI524
0.38%
5Sunu BhaskaranBSP364
0.26%
Show 2 more candidates
6SethuIndependent172
0.13%
7Varinjam RajeevIndependent135
0.10%

Chathannoor result 2016

Chathannoor 2016 result
#CandidatePartyVotesVote share
1G.s.jayalalCPI67,606
50.76%
2B B GopakumarBJP33,199
24.92%
3Dr.sooranad RajasekharanINC30,139
22.63%
4RajuIndependent658
0.49%
—NOTANOTA604
0.45%
5Salimraj ABSP491
0.37%
Show 2 more candidates
6Velayudhan PillaiShiv Sena290
0.22%
7Jayakala LAPOI212
0.16%

Chathannoor result 2011

Chathannoor 2011 result
#CandidatePartyVotesVote share
1G.s.jayalalCPI60,187
52.66%
2Adv: Bindu KrishnaINC47,598
41.64%
3Adv:kizhakkanela SudhakaranBJP3,839
3.36%
4A.sasiIndependent1,134
0.99%
5JayalalIndependent763
0.67%
6Mailode SudhanBSP490
0.43%
Show 1 more candidate
7SasikumarShiv Sena287
0.25%
Map

Chathannoor outlined in orange among the other Kerala seats, coloured by the party that won each in 2026. Click any seat to open its page.

Other seats in Kollam district

Boundaries are approximate (DataMeet, from ECI polling-station maps) and are for orientation only.

INCCPI(M)IUMLCPIKECBJPOthers
Lok Sabha 2024 in this segment

Chathannoor is one of the assembly segments of Kollam. These are the EVM votes counted in this segment for the leading Kollam candidates.

  • N K PremachandranRSP52,486 42.9%
  • M MukeshCPI(M)36,915 30.1%
  • Krishnakumar GBJP31,643 25.8%
  • Vipinlal VidhyadharanBSP462 0.4%
  • Premachandran NairIndependent256 0.2%

In the assembly election BJP won this seat. In the Lok Sabha vote, RSP led here by 15,571 EVM votes.

Open Kollam Lok Sabha result
Data & field work for this seat

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FAQ

Answers use the official Election Commission of India results for Chathannoor.

Who won the Chathannoor assembly seat in 2026?

B.b.gopakumar of the Bharatiya Janata Party (BJP) won Chathannoor in the 2026 Kerala assembly election with 51,923 votes, which was 38.04% of the valid votes polled.

What was the victory margin in Chathannoor?

The margin was 4,398 votes (3.22% of valid votes). The runner-up was Adv.r.rajendran of the Communist Party of India with 47,525 votes.

What was the voter turnout in Chathannoor in 2026?

Turnout was 77.03%: 1,36,755 of 1,77,538 registered electors voted, across 196 polling stations. That is 2.6 points higher than in 2021.

Which Lok Sabha constituency is Chathannoor part of?

Chathannoor is an assembly segment of the Kollam Lok Sabha constituency in Kerala. In the 2024 Lok Sabha election, N K Premachandran got the most EVM votes in this segment.

Is Chathannoor a reserved constituency?

No. Chathannoor is a general (unreserved) seat, so any eligible candidate can contest.

When is the next assembly election in Chathannoor?

The Kerala assembly elected in 2026 completes its five-year term in 2031, so the next general election is due by then unless the assembly is dissolved early. The Election Commission of India announces the exact schedule.

Source: Election Commission of India, statistical reports for the Kerala assembly elections of 2026 and 2021 and 2016 and 2011 (2026 report) — detailed results and constituency data summary. Lok Sabha figures: ECI 2024 report 34, assembly segment details. Vote share is of valid votes including NOTA. Party names as listed by ECI. Candidate names are shown as filed; spelling follows ECI.

Related data

Each page below is built from an official source and credited on the page.