State Legislative Assembly (Vidhan Sabha)
● Completed
Tamil Nadu Assembly Election 2026 Results
Total Seats: 234 • Majority Mark: 118 • Voter Turnout: 85.10% • Parliamentary Seats: 39
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Constituency Directory
234
Council of Ministers
30
Alliances & Coalitions
SSJVA / SPA / NDA
District Performance
38
Vote Share & Analytics
85.10%
Statistics & Demographics
1977–2026
By-Elections & Vacancies
2 Active
Election Schedule
Timeline
In-Depth Analytics
1977 – 2026 Historical Observatory
Tamil Nadu Assembly Election 2026 Statistics & Demographics
Explore granular candidate gender breakdown, age distribution, graduate qualification rates, statutory deposit forfeitures (by alliance and party), and 234 elected MLA profiles.
Official Election Schedule & Milestones (2026)
17th Tamil Nadu Legislative Assembly Election
Full Schedule →
ECI Statutory Schedule
Nomination Begins
30 Mar 2026
Nomination Deadline
06 Apr 2026
Scrutiny of Nominations
07 Apr 2026
Withdrawal Deadline
09 Apr 2026
Polling Day
23 Apr 2026
Counting of Votes
04 May 2026
Process Completion
06 May 2026
123
Governing Majority • 123 Seats (TVK: 108 General + 2 Oct By-Poll = 110 MLAs)
★ SWORN IN 10 MAY 2026
Party / Coalition
Secular Social Justice Victory Alliance (SSJVA / TVK+)
மதச்சார்பற்ற சமூகநீதி வெற்றிக் கூட்டணி
TVK contested solo winning 108 seats in April 2026 and swept both October 2026 by-elections (Madurantakam & Dharapuram) to reach 110 solo seats. Post-election, TVK formed the Secular Social Justice Victory Alliance (SSJVA) with INC (5), IUML (2), VCK (2), CPI (2), and CPM (2) to command 123 seats, well above the 118 majority mark and consolidating the 17th Tamil Nadu Government under Chief Minister C. Joseph Vijay.
TVK: 110 • INC: 5 • IUML: 2 • VCK: 2 • CPI: 2 • CPM: 2
Principal Opposition • 59 Seats
DMK Front
Opposition Alliance
Dravida Munnetra Kazhagam (DMK)
Leader of Opposition:
Udhayanidhi Stalin (DMK)
Popular Vote Performance
24.19% Vote Share • 11,929,144 Votes Polled
Other Major Alliance
Electoral Coalition Summary (2026)
AIADMK-led Alliance (NDA)
51 Seats
AIADMK (45, Edappadi K. Palaniswami), PMK (4), BJP (1), DMDK (1), AMMK (1)
28.42% Vote Share • 14,014,760 Votes Polled
Pre vs Post Alliances
Pre-Election Alliances vs. Post-Election Government Coalition (2026)
In the 2026 Tamil Nadu Legislative Assembly Election, Tamilaga Vettri Kazhagam (TVK) contested solo across all 234 assembly constituencies and won 108 seats in the General election, subsequently gaining 2 seats in the October 2026 By-Elections (Madurantakam & Dharapuram) to reach 108 + 2 = 110 total MLAs. As the lead ruling party, TVK formed the Secular Social Justice Victory Alliance (SSJVA / மதச்சார்பற்ற சமூகநீதி வெற்றிக் கூட்டணி) with INC (5), IUML (2), VCK (2), CPI (2), and CPM (2) to command a 123-seat majority (comfortably above the 118 threshold) and establish the 17th Tamil Nadu Government under 22nd Chief Minister C. Joseph Vijay.
🗳️
Pre-Election Contesting Alliances
Seat contests, pre-poll seat-sharing pacts, and ballot fronts
Tamilaga Vettri Kazhagam (TVK)
Pre-Poll Solo Contest
Contested: 234
Won: 108
Vote Share: 34.92%
No Pre-Election Alliance. TVK contested all 234 assembly constituencies independently on its own election symbol, winning 108 seats in May 2026 and adding 2 seats in the October 2026 by-elections (110 total).
Secular Progressive Alliance (SPA / DMK+)
Pre-Poll Multi-Party Alliance
Contested: 234
Won: 73
Vote Share: 30.11%
Pre-Poll Seat Sharing: DMK (188), INC (25), VCK (6), CPI (6), CPM (6), IUML (3). Seats Won: DMK 59, INC 5, IUML 2, VCK 2, CPI 2, CPM 2.
NDA - AIADMK+ Alliance
Pre-Poll Multi-Party Alliance
Contested: 234
Won: 53
Vote Share: 28.42%
Pre-Poll Seat Sharing: AIADMK (180), PMK (23), BJP (20), DMDK (6), AMMK (5). Seats Won: AIADMK 47, PMK 4, BJP 1, DMDK 1, AMMK 1.
Naam Tamilar Katchi (NTK)
Pre-Poll Solo Contest
Contested: 234
Won: 0
Vote Share: 4%
Contested all 234 constituencies independently without alliance; fielded 50% women candidates.
🏛️
Post-Election Government & Floor Alignment
Majority formation, external legislative support, and assembly blocs
Secular Social Justice Victory Alliance (SSJVA / TVK+)
Ruling Majority Government
மதச்சார்பற்ற சமூகநீதி வெற்றிக் கூட்டணி
Assembly Strength: 123 Seats (Governing Coalition - Crossed 118 Majority Mark)
Floor Leader:
C. Joseph Vijay (22nd Chief Minister & SSJVA Chairman)
Following the 2026 election where TVK won 108 seats and subsequently won both October 2026 By-Elections (reaching 108 + 2 = 110 seats), the Secular Social Justice Victory Alliance (SSJVA / மதச்சார்பற்ற சமூகநீதி வெற்றிக் கூட்டணி) commands 123 seats to form the 17th Tamil Nadu Government under Chief Minister C. Joseph Vijay.
Dravida Munnetra Kazhagam (DMK)
Principal Opposition Party
Assembly Strength: 59 Seats
Floor Leader:
Udhayanidhi Stalin (Leader of Opposition)
With former pre-poll alliance partners (INC, IUML, VCK, CPI, CPM) departing to join TVK's Secular Social Justice Victory Alliance post-election, DMK stands as the single largest opposition party with 59 MLAs, leading the official opposition bench under Floor Leader Udhayanidhi Stalin.
AIADMK-led Alliance (NDA Front)
Secondary Opposition Bench
Assembly Strength: 53 Seats
Floor Leader:
Edappadi K. Palaniswami
Secondary opposition legislative group comprising AIADMK (47), PMK (4), BJP (1), DMDK (1), and AMMK (1), led by AIADMK General Secretary Edappadi K. Palaniswami.
High-Profile Battles & Defining Contests (2026)
Seat #12 • Chennai
TVK WIN
Perambur
Winner:
C. Joseph Vijay
(TVK)
Actor-politician Vijay won a decisive victory in North Chennai, cementing TVK’s debut government formation.
Seat #13 • Chennai
TVK WIN
Kolathur
Winner:
V. S. Babu
(TVK)
In the defining upset of 2026, TVK candidate V.S. Babu defeated sitting Chief Minister M.K. Stalin by 8,795 votes.
Seat #86 • Salem
AIADMK WIN
Edappadi
Winner:
Edappadi K. Palaniswami
(AIADMK)
AIADMK General Secretary EPS retained his home bastion with an overwhelming 98,110-vote margin over DMK candidate Kasi. C.
Seat #19 • Chennai
DMK WIN
Chepauk-Thiruvallikeni
Winner:
Udhayanidhi Stalin
(DMK)
Udhayanidhi Stalin retained Chepauk-Thiruvallikeni by 7,140 votes against TVK challenger Selvam. D to become the Leader of the Opposition.
Seat #200 • Theni
AIADMK WIN
Bodinayakanur
Winner:
O. Panneerselvam
(AIADMK)
Former Chief Minister OPS defended Bodinayakanur in a tough triangular contest.
Assembly Party Seat Distribution (2026)
Total Declared: 234 / 234 Seats • Majority: 118
| Party Name | Alliance | Seats Won | Seat Share | Total Votes |
|---|---|---|---|---|
|
Tamilaga Vettri Kazhagam (TVK)
★ 108 (May 2026 General) + 2 (Oct 2026 By-Poll) = 110 Total Seats
|
Tamilaga Vettri Kazhagam (TVK) | 110 |
|
20,670,949 |
| Secular Progressive Alliance (SPA) | 59 |
|
11,785,492 | |
|
All India Anna Dravida Munnetra Kazhagam (AIADMK)
★ 47 (May 2026) - 2 (Resigned MLAs) = 45 Seats
|
National Democratic Alliance (NDA) | 45 |
|
6,382,580 |
| Secular Progressive Alliance (SPA) | 5 |
|
1,949,313 | |
| National Democratic Alliance (NDA) | 4 |
|
380,954 | |
| Secular Progressive Alliance (SPA) | 2 |
|
547,860 | |
| Secular Progressive Alliance (SPA) | 2 |
|
414,680 | |
| Secular Progressive Alliance (SPA) | 2 |
|
346,203 | |
| Secular Progressive Alliance (SPA) | 2 |
|
170,957 | |
| National Democratic Alliance (NDA) | 1 |
|
619,102 | |
| National Democratic Alliance (NDA) | 1 |
|
527,481 | |
| National Democratic Alliance (NDA) | 1 |
|
128,238 | |
| Independent / Others | 0 |
|
4,335,805 | |
| Independent / Others | 0 |
|
1,052,075 |
All 234 Assembly Constituencies & Winners (2026)
Live directory of all 234 assembly constituencies across 38 districts with complete winner, runner-up, and vote margins.
17th Tamil Nadu Legislative Assembly Leadership
Key constitutional office-bearers elected to preside over and steer the House.
Speaker of the Assembly
TVK
J. C. D. Prabhakar
Constituency: Thousand Lights (General) (AC #20)
Presiding officer of the Assembly, neutral authority in parliamentary debate.
Took office: 12 May 2026
Leader of the Opposition (LOP)
DMK
Udhayanidhi Stalin
Constituency: Chepauk-Thiruvallikeni (General) (AC #19)
Official leader of the principal opposition block in the 17th Legislative Assembly.
Took office: 10 May 2026
Deputy Speaker
TVK
M. Ravisankar
Constituency: Tiruvallur (AC #4)
Deputy presiding officer supporting assembly sessions and committee administration.
Took office: 12 May 2026
Chief Government Whip
TVK
R. Sabarinathan
Constituency: Virugampakkam (AC #22)
Party whip overseeing legislative attendance, floor strategy and voting coordination.
Took office: 12 May 2026
Chief Minister of Tamil Nadu
C. Joseph Vijay
Elected from: Perambur (AC #12) & Tiruchirappalli East (AC #141) • Retained: Perambur
Sworn in at Raj Bhavan
10 May 2026
Key Portfolios Held by Chief Minister:
Public
General Administration
Indian Administrative Service (IAS)
Indian Police Service (IPS)
Indian Forest Service (IFS)
District Revenue Officers (DRO)
Police
Home
Special Programme Implementation
Special Initiatives
Youth Welfare
Welfare of Differently Abled Persons
Council of Ministers (Cabinet)
26 Cabinet Ministers sworn in pursuant to Article 163 & 164 of the Constitution of India.
N. Anand (Bussy Anand)
TVK
Purasawalkam (AC #24) • 62 Yrs
General Administration & Government Coordination
General Administration
Cabinet Affairs
State Planning
Government Coordination
Dr. C. T. R. Nirmal Kumar
TVK
Coimbatore South (AC #121) • 44 Yrs
Electricity, Law, Courts & Prisons
Electricity
Non-Conventional Energy
Law
Courts
Prisons & Correctional Services
Aadhav Arjuna
TVK
Villivakkam (AC #14) • 43 Yrs
Public Works Department (PWD) & Sports Development
Public Works (Buildings & Highways)
Sports Development
Youth Welfare Infrastructure
K. G. Arunraj
TVK
Tiruppur North (AC #114) • 46 Yrs
Finance & Human Resources Management
Finance
Planning
Human Resources Management
Pensions & State Accounts
P. Venkataramanan
TVK
Tambaram (AC #31) • 48 Yrs
Revenue & Disaster Management
Revenue
Disaster Management
Land Administration
Survey & Settlements
Rajmohan Arumugam
TVK
Egmore (AC #16) • 39 Yrs
Information Technology & Digital Services
Information Technology
Digital Governance
E-Services
Electronics Innovation
Dr. T. K. Prabhu
TVK
Tiruppur South (AC #115) • 41 Yrs
Health & Family Welfare
Public Health
Medical Education
Family Welfare
Traditional Medicine
S. Keerthana
TVK
Sholinganallur (AC #27) • 30 Yrs
Social Welfare & Women Empowerment
Social Welfare
Women Empowerment
Nutrition Schemes
Child Welfare
K. A. Sengottaiyan
TVK
Gobichettipalayam (AC #106) • 78 Yrs
School Education
School Education
Adult Literacy
Public Libraries
Educational Television
M. Ravisankar
TVK
Tiruvallur (AC #4) • 41 Yrs
Rural Development & Panchayati Raj
Rural Development
Panchayats
Rural Employment Guarantee
Rural Water Supply
R. Sabarinathan
TVK
Virugampakkam (AC #22) • 30 Yrs
Transport & Road Safety
State Transport Corporations
Motor Vehicles Act
Road Safety
Metropolitan Transport
Vijay Tamilan Parthiban. A
TVK
Salem North (AC #89) • 50 Yrs
Industries, Investment Promotion & Commerce
Industries
Special Economic Zones (SEZs)
Investment Promotion
Mines & Minerals
B. Rajkumar
TVK
Erode East (AC #98) • 46 Yrs
Agriculture & Farmers Welfare
Agricultural Production
Horticulture
Agricultural Engineering
Farmers Welfare
V. Sampath Kumar
TVK
Modakkurichi (AC #100) • 47 Yrs
Food, Civil Supplies & Consumer Protection
Public Distribution System (PDS)
Food Corporation
Civil Supplies
Consumer Protection
M. Vijay Balaji
TVK
Erode West (AC #99) • 39 Yrs
Micro, Small & Medium Enterprises (MSME)
MSME Sector
Industrial Estates (SIDCO)
Entrepreneurship Development
Vignesh K
TVK
Singanallur (AC #122) • 38 Yrs
Labour Welfare & Skill Development
Labour Welfare
Employment Exchanges
Skill Development
Factories & Boilers
Thennarasu. K
TVK
Pallavaram (AC #29) • 36 Yrs
Housing & Urban Development
Housing Board
CMDA
Urban Development
Slum Clearance Board
Mohamed Farvas. J
TVK
Melur (AC #188) • 31 Yrs
Minorities & Backward Classes Welfare
Backward Classes
Most Backward Classes
Minorities Welfare
Waqf Board
V. Gandhiraj
TVK
Tiruvannamalai North (AC #63) • 52 Yrs
Higher Education
Higher Education
Universities
Colleges & Technical Institutes
Science & Technology
Jegadeshwari. K
TVK
Madurai South (AC #192) • 40 Yrs
Tourism & Hindu Religious & Charitable Endowments
HR&CE
Temples & Trusts
Tourism Development
State Heritage Preservation
Vinoth
TVK
Tiruchirappalli West (AC #140) • 32 Yrs
Commercial Taxes & Registration
Commercial Taxes
GST Administration
Registration & Stamp Duties
C. Vijayalakshmi
TVK
Perambalur (SC) (AC #147) • 50 Yrs
Adi Dravidar & Tribal Welfare
Adi Dravidar Welfare
Tribal Welfare
Scheduled Castes Development
Hill Tribes Support
D. Sarathkumar
TVK
Chengalpattu (AC #32) • 34 Yrs
Fisheries & Animal Husbandry
Fisheries Welfare
Marine Resources
Animal Husbandry
Veterinary Services
Ramesh
TVK
Thanjavur North (AC #174) • 31 Yrs
Handlooms, Textiles & Khadi
Handlooms & Textiles
Khadi & Village Industries Board
Weavers Welfare
Mathan Raja. P
TVK
Tirunelveli Central (AC #224) • 41 Yrs
Dairy Development (Aavin)
Dairy Development
Milk Production & Processing
Cooperative Milk Producers
N. Marie Wilson
TVK
Dr. Radhakrishnan Nagar (AC #11) • 46 Yrs
Environment, Climate Change & Forests
Environment & Climate Change
Forests
Pollution Control Board
Wildlife Sanctuary
Srinath
TVK
Kallakkurichi (AC #77) • 52 Yrs
Information & Public Relations (I&PR)
Information & Public Relations
Government Press
Stationery & Printing
Media Relations
District-Wise Assembly Performance (All 38 Districts)
Breakdown of seats secured across Tamil Nadu's 38 administrative districts by TVK, SPA (DMK+), and NDA (AIADMK+).
| District | Total Seats | TVK | SPA (DMK+) | NDA (ADMK+) | Others | Alliance Distribution | Dominant Block | Action |
|---|---|---|---|---|---|---|---|---|
| Ariyalur | 2 | 0 | 0 | 2 | 0 |
|
NDA Lead | Explore → |
| Chengalpattu | 8 | 6 | 0 | 2 | 0 |
|
TVK Lead | Explore → |
| Chennai | 16 | 14 | 2 | 0 | 0 |
|
TVK Lead | Explore → |
| Coimbatore | 10 | 6 | 3 | 1 | 0 |
|
TVK Lead | Explore → |
| Cuddalore | 9 | 1 | 4 | 4 | 0 |
|
Divided | Explore → |
| Dharmapuri | 5 | 1 | 0 | 4 | 0 |
|
NDA Lead | Explore → |
| Dindigul | 7 | 1 | 4 | 2 | 0 |
|
SPA Lead | Explore → |
| Erode | 8 | 5 | 0 | 3 | 0 |
|
TVK Lead | Explore → |
| Kallakkurichi | 5 | 1 | 2 | 2 | 0 |
|
Divided | Explore → |
| Kancheepuram | 3 | 3 | 0 | 0 | 0 |
|
TVK Lead | Explore → |
| Kanniyakumari | 6 | 0 | 5 | 1 | 0 |
|
SPA Lead | Explore → |
| Karur | 4 | 1 | 2 | 1 | 0 |
|
SPA Lead | Explore → |
| Krishnagiri | 6 | 2 | 2 | 2 | 0 |
|
Divided | Explore → |
| Madurai | 10 | 8 | 2 | 0 | 0 |
|
TVK Lead | Explore → |
| Mayiladuthurai | 3 | 0 | 3 | 0 | 0 |
|
SPA Lead | Explore → |
| Nagapattinam | 3 | 0 | 2 | 1 | 0 |
|
SPA Lead | Explore → |
| Namakkal | 6 | 5 | 0 | 1 | 0 |
|
TVK Lead | Explore → |
| Nilgiris | 3 | 0 | 2 | 1 | 0 |
|
SPA Lead | Explore → |
| Perambalur | 2 | 1 | 1 | 0 | 0 |
|
Divided | Explore → |
| Pudukkottai | 6 | 2 | 3 | 1 | 0 |
|
SPA Lead | Explore → |
| Ramanathapuram | 4 | 1 | 3 | 0 | 0 |
|
SPA Lead | Explore → |
| Ranipet | 4 | 3 | 0 | 1 | 0 |
|
TVK Lead | Explore → |
| Salem | 11 | 4 | 0 | 7 | 0 |
|
NDA Lead | Explore → |
| Sivaganga | 4 | 4 | 0 | 0 | 0 |
|
TVK Lead | Explore → |
| Tenkasi | 5 | 0 | 4 | 1 | 0 |
|
SPA Lead | Explore → |
| Thanjavur | 8 | 2 | 6 | 0 | 0 |
|
SPA Lead | Explore → |
| Theni | 4 | 2 | 2 | 0 | 0 |
|
Divided | Explore → |
| Thiruvallur | 10 | 9 | 0 | 1 | 0 |
|
TVK Lead | Explore → |
| Thoothukkudi | 6 | 3 | 3 | 0 | 0 |
|
Divided | Explore → |
| Tiruchirappalli | 9 | 6 | 2 | 1 | 0 |
|
TVK Lead | Explore → |
| Tirunelveli | 5 | 3 | 1 | 1 | 0 |
|
TVK Lead | Explore → |
| Tirupathur | 4 | 1 | 2 | 1 | 0 |
|
SPA Lead | Explore → |
| Tiruppur | 8 | 4 | 2 | 2 | 0 |
|
TVK Lead | Explore → |
| Tiruvannamalai | 8 | 1 | 2 | 5 | 0 |
|
NDA Lead | Explore → |
| Tiruvarur | 4 | 0 | 2 | 2 | 0 |
|
Divided | Explore → |
| Vellore | 5 | 4 | 0 | 1 | 0 |
|
TVK Lead | Explore → |
| Viluppuram | 6 | 0 | 3 | 3 | 0 |
|
Divided | Explore → |
| Virudhunagar | 7 | 4 | 3 | 0 | 0 |
|
TVK Lead | Explore → |
Key Demographic & Participation Metrics
Dedicated Analytics →Overall Voter Turnout
85.1%
Swing: +12.4% vs 2021
Total Registered Electors
5,73,50,000 (5.73 Cr)
Across all 38 districts
Valid Votes Polled
4,87,98,833 (4.88 Cr)
High civic engagement
Contesting Candidates
4,023
539 Women • 3482 Men
Alliance Popular Vote Breakdown
TVK
40.93%
Secular Social Justice Victory Alliance (SSJVA / TVK+)
Governing Majority Coalition (123 Seats Post-By-Polls) • 123 Seats
Popular Votes: 20,190,347
DMK
24.19%
Dravida Munnetra Kazhagam (DMK)
Principal Opposition Party (59 Seats) • 59 Seats
Popular Votes: 11,929,144
NDA
28.42%
AIADMK-led Alliance (NDA)
Secondary Opposition Front (51 Seats Post-By-Polls) • 51 Seats
Popular Votes: 14,014,760
Party-Wise Popular Vote Share & Seat Conversion
| Party Name | Seats Won | Vote Share (%) | Total Popular Votes |
|---|---|---|---|
|
Tamilaga Vettri Kazhagam
(TVK)
|
108 |
|
17,226,209 |
|
Dravida Munnetra Kazhagam
(DMK)
|
59 |
|
11,929,144 |
|
All India Anna Dravida Munnetra Kazhagam
(AIADMK)
|
47 |
|
10,462,146 |
|
Naam Tamilar Katchi
(NTK)
|
0 |
|
1,972,537 |
|
Indian National Congress
(INC)
|
5 |
|
1,661,312 |
|
Bharatiya Janata Party
(BJP)
|
1 |
|
1,467,024 |
|
Pattali Makkal Katchi
(PMK)
|
4 |
|
1,070,745 |
|
Desiya Murpokku Dravida Kazhagam
(DMDK)
|
1 |
|
589,500 |
|
Viduthalai Chiruthaigal Katchi
(VCK)
|
2 |
|
540,056 |
|
Amma Makkal Munnettra Kazagam
(AMMK)
|
1 |
|
425,345 |
|
Communist Party of India
(CPI)
|
2 |
|
326,488 |
|
Communist Party of India (Marxist)
(CPM)
|
2 |
|
293,817 |
|
Indian Union Muslim League
(IUML)
|
2 |
|
142,465 |
|
None of the Above
(NOTA)
|
0 |
|
199,801 |
|
Other Parties & Independents
(OTHERS)
|
0 |
|
966,709 |
Scheduled Assembly By-Elections (2026)
Official by-polls notified under Section 151A of the Representation of the People Act, 1951.
Seat #35 • Chengalpattu
Declared / Completed (Results Oct 9, 2026)
Maduranthakam (SC)
Polling Date
06 October 2026
Counting Date
09 October 2026
🏆 K. Maragatham Kumaravel (TVK)
74,048 votes (40.48%) • Margin: +20,040
Runner-up: I. Paranthamen (DMK)
Statutory Basis: Article 190(3)(b) Resignation of seat by Member of Legislature of a State & 10th Schedule Anti-Defection provisions.
Seat #101 • Tiruppur
Declared / Completed (Results Oct 9, 2026)
Dharapuram (SC)
Polling Date
06 October 2026
Counting Date
09 October 2026
🏆 P. Sathyabama (TVK)
66,841 votes (37.7%) • Margin: +9,471
Runner-up: S. Suganya (DMK)
Statutory Basis: Article 190(3)(b) Resignation of seat by Member of Legislature of a State addressed to Speaker.
Vacancies Under Legal / Constitutional Determination
| AC # | Constituency | District | Status | Former Member | Reason & Constitutional Provision |
|---|---|---|---|---|---|
| #141 | Tiruchirappalli (East) | Tiruchirappalli | Vacant (Retained Perambur #12) | C. Joseph Vijay (TVK) | Dual Seat Retention Rule: Section 70 of the Representation of the People Act, 1951 & Rule 91 of Conduct of Elections Rules, 1961. Chief Minister C. Joseph Vijay opted to retain Perambur (#12). |
| #103 | Perundurai | Erode | Vacant | S. Jayakumar (AIADMK) | Defected to TVK & Resigned: Article 190(3)(b) Resignation submitted to Assembly Speaker. By-poll notification pending from ECI. |
| #135 | Pennagaram | Dharmapuri | Vacant | G. K. Mani (PMK) | Elected to Parliament (Lok Sabha): Article 101(2) Prohibition of Simultaneous Membership in Parliament and State Legislature. |
| #179 | Viralimalai | Pudukkottai | Vacant | Dr. C. Vijayabaskar (AIADMK) | Resigned / Defected to TVK: Article 190(3)(b) Resignation accepted by the Speaker of the Tamil Nadu Legislative Assembly. |
| #225 | Ambasamudram | Tirunelveli | Vacant | E. Subaya (AIADMK) | Resigned / Defected to TVK: 10th Schedule Anti-Defection Provisions & Article 191(2) Disqualification. |
Constitutional & Statutory Framework for By-Elections
Section 151A, RPA 1951
Mandates that by-elections to fill casual vacancies in Parliament and State Legislatures must be held within six months from the date of occurrence of the vacancy, unless the remainder of the member’s term is less than one year.
Article 191(2) & 10th Schedule
Disqualification of a member of the Legislative Assembly on grounds of defection if the member voluntarily gives up membership of the political party under whose banner they were elected.
Article 190(3)(b)
Provides that if a member of the Legislature of a State resigns their seat by writing addressed to the Speaker and the resignation is accepted, their seat shall thereupon become vacant.
Section 70, RPA 1951
Governs candidate election to more than one seat in an assembly. The candidate must opt for one seat within the prescribed statutory period, whereupon the other seat automatically falls vacant.
Article 101(2)
Bars simultaneous membership in both Parliament and a State Legislative Assembly. If an elected MLA assumes office as an MP, the state assembly seat automatically becomes vacant.