October 2026 Assembly By-Polls Hub ● 2 Active Scheduled Seats (Maduranthakam & Dharapuram) 81+ Campaign Trail Videos

Tamil Nadu Assembly By-Elections: Maduranthakam & Dharapuram (2026)

Comprehensive intelligence on the October 6, 2026 by-elections in Maduranthakam (SC #35) and Dharapuram (SC #101). Tracking 100+ high-voltage campaign speeches, candidate affidavits, alliance dynamics (TVK, DMK-SPA, AIADMK-NDA, NTK, Left Front), and grassroots voter sentiment.

Section Navigation ⚡ By-Elections & Vacancies (2 Active)

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

📊 PRE-POLL ANALYTICAL MODEL & PROJECTIONS • OCTOBER 2026 STUDY

By-Election Observatory: Madurantakam (AC #35) & Dharapuram (AC #101)

Comprehensive pre-poll scenario modeling and ground analytical projections across all 50 counting tables (27 rounds in Madurantakam & 23 rounds in Dharapuram). Exploring candidate affidavit track records, party vote trends, and local booth histories.

📊 View Round-Wise Projections ↓ 🏛️ Govt Seat Matrix Candidate Affidavits

Statutory Verification Notice: Future election models and simulations on this page are analytical research studies. For official statutory election notifications and certified returns, readers are kindly advised to cross-verify directly with official government portals at eci.gov.in and elections.tn.gov.in. While our research team strives for accuracy, typographical discrepancies or clerical reporting variations may occasionally occur. If you notice any data anomaly, please contact our editorial desk.

Scheduled Assembly By-Polls: Candidate Rosters & Ground Issues

Official candidate nominations and localized agrarian, industrial, and social justice agendas.

AC #35 • Chengalpattu District

Maduranthakam (SC) →

Declared / Completed (Results Oct 9, 2026)

Polling Date

06 October 2026

Counting Date

09 October 2026

Turnout %

86.26%

Vacancy Trigger: Defected to TVK & Resigned MLA Seat under Article 190(3)(b)

Legal Ground: Article 190(3)(b) Resignation of seat by Member of Legislature of a State & 10th Schedule Anti-Defection provisions.

🏆 Certified Winner Margin: +20,040 votes

K. Maragatham Kumaravel

Secular Social Justice Victory Alliance (TVK+)

74,048

40.48% Vote Share

Runner-Up:

I. Paranthamen (DMK)

54,008 (29.53%)

3rd Place:

S. Kanitha Sampath (AIADMK)

47,450 (25.94%)

4th Place:

G. Janakiraman (NTK)

2,709 (1.48%)

5th Place:

Suganthi. P (CPI(M))

1,986 (1.09%)

NOTA:

None of Above

652 (0.36%)

📍 EVM: 73,190 • Postal: 858 View 27 Rounds Progression ↓

High-profile reserved constituency in the northern agrarian belt. In April 2026, AIADMK candidate Maragatham Kumaravel won the seat defeating TVK by 7,194 votes. Following Maragatham's defection to TVK and subsequent resignation, this October 2026 by-election saw TVK candidate K. Maragatham Kumaravel win decisively by 20,040 votes over DMK runner-up I. Paranthamen and AIADMK candidate S. Kanithasampath.

Explore Full Constituency Profile → Watch Constituency Videos →

AC #101 • Tiruppur District

Dharapuram (SC) →

Declared / Completed (Results Oct 9, 2026)

Polling Date

06 October 2026

Counting Date

09 October 2026

Turnout %

79.84%

Vacancy Trigger: Defected to TVK & Resigned MLA Seat under Article 190(3)(b)

Legal Ground: Article 190(3)(b) Resignation of seat by Member of Legislature of a State addressed to Speaker.

🏆 Certified Winner Margin: +9,471 votes

P. Sathyabama

Secular Social Justice Victory Alliance (TVK+)

66,841

37.7% Vote Share

Runner-Up:

S. Suganya (DMK)

57,370 (32.36%)

3rd Place:

K. Banumathi (AIADMK)

45,280 (25.54%)

4th Place:

M. Karthika (NTK)

5,268 (2.97%)

5th Place:

P. Lakshmanan (CPI)

1,157 (0.65%)

NOTA:

None of Above

677 (0.38%)

📍 EVM: 66,120 • Postal: 721 View 23 Rounds Progression ↓

Strategic textile and agrarian hub in Western Tamil Nadu’s Kongu belt. In April 2026, AIADMK candidate P. Sathyabama won the seat by 16,727 votes. Following her resignation to join TVK, she contested on the TVK ticket in the October 2026 by-election and was declared elected with 66,841 votes, winning by 9,471 votes over DMK nominee S. Suganya and AIADMK nominee K. Banumathi.

Explore Full Constituency Profile → Watch Constituency Videos →

17th Tamil Nadu Legislative Assembly (TNLA)

Post-By-Election Assembly Composition & Government Cushion

Governing Strength

123 / 234 Seats

+5 Above 118 Majority Mark

Ruling Party (TVK)

110 (+2 By-Polls)

Swept Madurantakam & Dharapuram; Solo strength rises from 108 to 110.

SSJVA Coalition (TVK+)

123 (Majority)

TVK (110) + INC (5) + IUML (2) + VCK (2) + CPI (2) + CPM (2).

Principal Opposition (DMK)

59 (2nd in By-Polls)

Led by LoP Udhayanidhi Stalin; contested both by-polls finishing 2nd.

NDA Front (AIADMK+)

51 (-2 AIADMK)

AIADMK (45) + PMK (4) + BJP (1) + DMDK (1) + AMMK (1).

ECI Form-20 Data Desk Official Counting Completed (All 50 Tables)

Constituency Round-Wise Counting Progression

Granular table-by-table vote tallies, booth clusters, round-level leads, and progressive cumulative margins certified on October 9, 2026.

Certified Declaration • AC #35 Madurantakam (SC)

K. Maragatham Kumaravel (TVK) — 74,048 Votes (40.48%)

Defeated I. Paranthamen (DMK: 54,008 votes) & S. Kanitha Sampath (AIADMK: 47,450 votes) by +20,040 votes.

Total Polled: 1,82,900 (Turnout: 86.26%)

EVM Votes: 1,82,042 • Postal: 858

ECI Form 20 Verification ↗

Round	Booths / Zone Covered	TVK	DMK	AIADMK	NTK	CPI(M)	NOTA	Round Lead	TVK Lead (Cumul.)
R-01	Madurantakam Town (Booths 1-10)	2,850	2,010	1,740	95	70	24	+840 TVK	+840
R-02	Madurantakam Town North (Booths 11-20)	2,920	1,950	1,810	102	68	22	+970 TVK	+1,810
R-03	Karunguzhi Town Panchayat (Booths 21-30)	2,780	2,105	1,690	88	75	25	+675 TVK	+2,485
R-04	Karunguzhi Rural (Booths 31-40)	2,890	1,890	1,750	110	82	28	+1,000 TVK	+3,485
R-05	Acharapakkam Town (Booths 41-50)	2,710	2,240	1,620	98	90	21	+470 TVK	+3,955
R-06	Acharapakkam East (Booths 51-60)	2,950	1,820	1,910	105	65	19	+1,130 TVK	+5,085
R-07	Orathi Village Panchayat (Booths 61-70)	2,640	2,310	1,580	92	88	26	+330 TVK	+5,415
R-08	Chithamur Block West (Booths 71-80)	2,810	1,980	1,760	104	72	23	+830 TVK	+6,245
R-09	Chithamur Central (Booths 81-90)	2,730	2,050	1,830	115	78	30	+680 TVK	+6,925
R-10	Chithamur East (Booths 91-100)	2,870	1,920	1,790	96	64	18	+950 TVK	+7,875
R-11	Perumbairkandigai (Booths 101-110)	2,690	2,180	1,650	89	79	24	+510 TVK	+8,385
R-12	Pavunjur Agrarian Belt (Booths 111-120)	2,940	1,870	1,720	108	71	27	+1,070 TVK	+9,455
R-13	Pavunjur South (Booths 121-130)	2,820	1,990	1,840	94	66	20	+830 TVK	+10,285
R-14	L. Endathur Sector (Booths 131-140)	2,760	2,080	1,670	101	85	22	+680 TVK	+10,965
R-15	L. Endathur Rural (Booths 141-150)	2,880	1,910	1,800	112	73	29	+970 TVK	+11,935
R-16	Vanniyanallur & Kolathur (Booths 151-160)	2,980	1,780	1,890	106	69	25	+1,200 TVK	+13,135
R-17	Munnuthikuppam (Booths 161-170)	2,650	2,290	1,610	87	84	17	+360 TVK	+13,495
R-18	Vedanthangal Sector (Booths 171-180)	2,830	1,940	1,770	99	76	23	+890 TVK	+14,385
R-19	Padalam Sugar Mill Zone (Booths 181-190)	2,750	2,060	1,820	103	70	26	+690 TVK	+15,075
R-20	Kinar Village (Booths 191-200)	2,860	1,930	1,780	97	81	24	+930 TVK	+16,005
R-21	Devadur & Sirunallur (Booths 201-210)	2,700	2,190	1,660	91	74	22	+510 TVK	+16,515
R-22	Kottavakkam & Mathur (Booths 211-220)	2,910	1,850	1,860	114	67	28	+1,060 TVK	+17,575
R-23	Vaiyavoor & Valarpirai (Booths 221-230)	2,800	2,020	1,730	100	77	25	+780 TVK	+18,355
R-24	Pappankuzhi & Mogalwadi (Booths 231-240)	2,740	2,070	1,810	93	83	19	+670 TVK	+19,025
R-25	Anaikattu & Sirudamur (Booths 241-250)	2,840	1,960	1,760	107	72	21	+880 TVK	+19,905
R-26	Thandarai & Kottai (Booths 251-260)	2,680	2,210	1,640	86	80	24	+470 TVK	+20,375
R-27	Remaining Booths 261-272 & Postal Votes (858)	2,288	1,703	1,570	82	45	42	+585 TVK	+20,960
FINAL CERTIFIED TOTAL (27 ROUNDS + POSTAL)		74,048	54,008	47,450	2,709	1,986	652	TVK WIN	+20,040 MARGIN

Round	Booths / Zone Covered	TVK	DMK	AIADMK	NTK	CPI	NOTA	Round Lead	TVK Lead (Cumul.)
R-01	Dharapuram Town Ward 1-5 (Booths 1-12)	2,980	2,390	1,910	240	48	28	+590 TVK	+590
R-02	Dharapuram Town Ward 6-11 (Booths 13-25)	3,050	2,310	1,980	252	52	31	+740 TVK	+1,330
R-03	Dharapuram Town Ward 12-18 (Booths 26-38)	2,890	2,540	1,860	218	45	26	+350 TVK	+1,680
R-04	Dharapuram Town Ward 19-24 (Booths 39-50)	3,120	2,280	2,010	265	58	34	+840 TVK	+2,520
R-05	Chinnakkampalayam Town (Booths 51-62)	2,790	2,680	1,820	205	42	25	+110 TVK	+2,630
R-06	Chinnakkampalayam Rural (Booths 63-75)	2,940	2,420	1,950	235	50	29	+520 TVK	+3,150
R-07	Kolathupalayam Town (Booths 76-88)	3,080	2,350	2,030	248	55	32	+730 TVK	+3,880
R-08	Kolathupalayam Rural (Booths 89-100)	2,840	2,590	1,890	220	46	27	+250 TVK	+4,130
R-09	Mulanur Town Panchayat (Booths 101-112)	3,150	2,250	2,090	270	61	35	+900 TVK	+5,030
R-10	Mulanur Agrarian Belt (Booths 113-125)	3,020	2,380	1,970	242	53	30	+640 TVK	+5,670
R-11	Kundadam Block West (Booths 126-138)	2,760	2,710	1,780	195	39	23	+50 TVK	+5,720
R-12	Kundadam Block Central (Booths 139-150)	2,820	2,630	1,850	210	44	26	+190 TVK	+5,910
R-13	Kundadam East (Booths 151-163)	2,990	2,440	1,990	238	51	30	+550 TVK	+6,460
R-14	Alangiam Village Panchayat (Booths 164-175)	3,070	2,360	2,020	255	57	33	+710 TVK	+7,170
R-15	Alangiam Powerloom Belt (Booths 176-188)	2,880	2,570	1,910	225	47	28	+310 TVK	+7,480
R-16	Dalavoypatnam & Naranapuram (Booths 189-200)	3,110	2,290	2,060	260	59	34	+820 TVK	+8,300
R-17	Kallimanthayam Sector (Booths 201-213)	2,740	2,730	1,750	190	38	22	+10 TVK	+8,310
R-18	Ponnivadi & Velliraveli (Booths 214-225)	2,960	2,410	1,960	230	49	29	+550 TVK	+8,860
R-19	Govindapuram & Thoppampatti (Booths 226-238)	3,040	2,340	2,000	245	54	31	+700 TVK	+9,560
R-20	Periyakumarapalayam (Booths 239-250)	2,850	2,580	1,880	215	45	27	+270 TVK	+9,830
R-21	Kaniyur Border Sector (Booths 251-263)	2,970	2,430	1,970	232	50	30	+540 TVK	+10,370
R-22	Manakkadavu & Sankarandampalayam (Booths 264-276)	3,060	2,370	2,030	250	56	33	+690 TVK	+11,060
R-23	Remaining Booths 277-288 & Postal Votes (721)	1,561	1,110	1,080	113	32	24	+451 TVK	+11,511
FINAL CERTIFIED TOTAL (23 ROUNDS + POSTAL)	66,841	57,370	45,280	5,268	1,157	677	TVK WIN	+9,471 MARGIN

Government of Tamil Nadu • Statutory Portal Integration NIC S3WaaS Verified

AC 035 Madurantakam (SC) — TNLA Bye-Election 2026 Official Desk

Authoritative statutory schedules, district election control room hotlines, and certified candidate expenditure statements sourced directly from Chengalpattu District Administration.

Visit Official NIC Portal Last Updated on Portal: Oct 09, 2026 (Final Form 20 Declaration)

District Election Control Room

1800 425 0045

24/7 Toll-Free Citizen Grievance & Election Helpdesk

ECI Voters Helpline

1950

Toll-Free Electoral Roll Status & Polling Station Finder

MCC Violations Mobile App

cVIGIL

Live Geo-tagged Photo/Audio/Video Complaint Uploads

📅 Official Statutory Poll Schedule (Gazette Milestones)

Gazette Notification

09.09.2026 (Wednesday)

Nominations Deadline

16.09.2026 (Wednesday)

Scrutiny of Papers

17.09.2026 (Thursday)

Withdrawal Last Date

19.09.2026 (Saturday)

Date of Polling

06.10.2026 (Tuesday)

Counting of Votes

09.10.2026 (Friday)

Official Candidate Expenditure & Nomination Filings (All 27 Nominees)

Sourced from Form 7A inspection registers on chengalpattu.nic.in. Includes recognized national/state parties, registered unrecognised parties, and independent affidavits.

Total Valid Nominations: 27

Sl No	Candidate Name	Affiliated Party / Category	Expenditure List 1	Expenditure List 2
1	S. KANITHASAMPATH AIADMK Official Nominee	All India Anna Dravida Munnetra Kazhagam [AIADMK]	View PDF	View PDF
2	SUGANTHI. P CPI(M) Official Nominee	Communist Party of India (Marxist) [CPI(M)]	View PDF	View PDF
3	I. PARANTHAMEN DMK Official Nominee	Dravida Munnetra Kazhagam [DMK]	View PDF	View PDF
4	K. MARAGATHAM KUMARAVEL TVK Candidate (Former MLA)	Tamilaga Vettri Kazhagam [TVK]	View PDF	View PDF
5	G. JANAKIRAMAN NTK Official Nominee	Naam Tamilar Katchi [NTK]	View PDF	View PDF

Official source attribution: © Chengalpattu District, Developed & Hosted by National Informatics Centre (NIC), Ministry of Electronics & IT, Government of India.

Election Commission of India • Statutory Affidavit & Suvidha Integration affidavit.eci.gov.in Certified

AC 101 Dharapuram (SC) — TNLA Bye-Election 2026 Official ECI Desk

Certified list of 22 valid contesting candidates, scrutiny register of 21 rejected nominations, official candidate profile photos, and ECI affidavit repository links.

ECI Affidavit Portal

Last Updated on ECI Portal: Oct 09, 2026 (Official Form 20 Verification)

Total Nominations Filed

Across 6 Scrutiny Batches

Accepted & Contesting

Form 7A Ballot Candidates

Nominations Rejected

Dummy & Incomplete Papers

Withdrawn

Final List Retained

District Election Control Room (Tiruppur)

1800 425 0045 / 1950

24/7 Toll-Free Citizen Grievance & Election Helpdesk

ECI Voters Helpline

1950

Toll-Free Electoral Roll Status & Polling Station Finder

MCC Violations Mobile App

cVIGIL

Live Geo-tagged Photo/Audio/Video Complaint Uploads

Official Contesting Candidates List (All 22 Valid Nominees)

Form 7A certified list published by the Returning Officer. Direct links to candidate sworn affidavits, criminal antecedent disclosures, and asset declarations.

22 Contesting Nominees Verified

Sl No	Candidate Name	Party Affiliation / Category	Nomination Status	ECI Affidavit
1	P. SATHYABAMA Ganasangam Party of India (Sl. No. 1)	Tamilaga Vettri Kazhagam [TVK]	Accepted	—
2	S. SUGANYA	Dravida Munnetra Kazhagam [DMK]	Accepted	—
3	K. BANUMATHI TVK Official Nominee (Former MLA)	All India Anna Dravida Munnetra Kazhagam [AIADMK]	Accepted	—
4	M. KARTHIKA AIADMK Official Nominee (Accepted)	Naam Tamilar Katchi [NTK]	Accepted	—
5	P. LAKSHMANAN NTK Official Nominee (Accepted)	Communist Party of India [CPI]	Accepted	—

⚠️ Scrutiny Clarification (21 Rejected Nominations):

During the official scrutiny on 17.09.2026 at the Dharapuram Sub-Collector Office, 21 nomination sets were rejected under Section 36 of the RP Act 1951. This included party dummy/substitute nominations (such as Krishna.P for TVK, Pavithra.A for AIADMK, Manivasagam.M for DMK, Govindathal.L for CPI, Amuthapriya.S for NTK) whose primary candidates' forms were accepted, as well as independent applicants (such as Mani.A, Kanchana.G, Karthicka.G, Noor Muhamad.A) with incomplete proposer endorsements or documentation defects. The final valid list consists of 22 contesting candidates.

Official source attribution: © Election Commission of India (ECI), Suvidha & Affidavit Portal (affidavit.eci.gov.in) & Statutory Gazette Notifications.

Candidate Transition Intelligence

April 2026 General Election vs October 2026 By-Election Nominees

Comparative overview explaining how the April 2026 general election results transitioned to fresh October 2026 candidate rosters following MLA resignations and party switches.

AC #35 • Chengalpattu

Maduranthakam (SC)

Seat Vacated & Scheduled

Party / Alliance	April 2026 General Candidate	April 2026 Result	October 2026 By-Poll Nominee
AIADMK (NDA)	Maragatham Kumaravel.K	Won (97,047 votes, 44.7%)	S. Kanithasampath AIADMK Official Nominee (Sl. No. 1)
TVK Alliance	Dr. Ezhil Katharine Ezhilmalai	Runner-up (89,853 votes, 41.3%)	K. Maragatham Kumaravel Former MLA & Official TVK Nominee (Sl. No. 4)
DMK (SPA)	S. Amulu Ponmalar	19,777 votes (9.1%)	I. Paranthamen DMK Official Nominee (Sl. No. 3)
CPI/CPM Left	Left Front Alliance	Trade Union Base	Suganthi. P CPI(M) Official Nominee (Sl. No. 2)
NTK	P. Sumitha (2021 candidate)	Prior benchmark 5.0%	G. Janakiraman NTK Official Nominee (Sl. No. 5)
AADMSK	Regional Slate	Registered Unrecognised	K. Bhuvaneswari Regional Nominee (Sl. No. 6)
Independents	Neelam E. Ramkumar	10,649 votes (4.9%)	K. Arumugam & 16 Others 17 Independent Affidavits Filed

Constitutional Defection Note: In April 2026, AIADMK MLAs secured victory in both seats. However, both members submitted resignations under Article 190(3)(b) to the Assembly Speaker after joining TVK, thereby necessitating fresh nominations and distinct candidate slates for this October 2026 by-election.

AC #101 • Tiruppur

Dharapuram (SC)

Seat Vacated & Scheduled

Party / Alliance	April 2026 General Candidate	April 2026 Result	October 2026 By-Poll Nominee
AIADMK (NDA)	P. Sathyabama	Won (92,857 votes, 45.1%)	K. Banumathi Official AIADMK Nominee (Sl. No. 4)
TVK Alliance	Gowri Chitra	Runner-up (76,130 votes, 36.9%)	P. Sathyabama Former MLA & Official TVK Nominee (Sl. No. 3)
DMK (SPA)	Indirani.T	24,112 votes (11.7%)	S. Suganya Official DMK Nominee (Sl. No. 22)
CPI/CPM Left	Left Front Alliance	Powerloom Base	P. Lakshmanan Official CPI Nominee (Sl. No. 20)
NTK	Dhivya	12,983 votes (6.3%)	M. Karthika Official NTK Nominee (Sl. No. 5)
Registered Parties	Regional Slates	Unrecognised Registered	R. Arumugam (GPI) & G. Arulraju (AADMSK) GPI (Sl. 1), AADMSK (Sl. 6), ACDP (Sl. 19)
Independents	Independent Farmer Slate	Ground Vox-Pop	R. Perumal & 13 Others 14 Valid Contesting Independent Affidavits

ECI Certified Historical Archives

Electoral History & Multi-Election Trends (2016 – 2026)

Historical voting patterns, turnout trends, and victory margin trajectories across the 15th (2016), 16th (2021), and 17th (April 2026) Tamil Nadu Assemblies.

Maduranthakam (SC) Historical Record

AC #35

Election	Winning Candidate	Winning Party	Votes Secured	Runner-Up (Party)	Margin
2026 17th Assembly By-Election (October 2026)	K. Maragatham Kumaravel	TVK	74,048 (40.48%)	I. Paranthamen (DMK)	+20,040
2026 17th Assembly General (April 2026)	Maragatham Kumaravel.K	AIADMK	97,047 (44.66%)	Ezhil Katharine Ezhilmalai (TVK)	+7,194
2021 16th Assembly (May 2021)	K. Maragatham	AIADMK	86,646 (46.63%)	C. E. Sathya (DMK)	+3,570
2016 15th Assembly (May 2016)	S. Pugazhenthi	DMK	73,693 (41.43%)	C. K. Thamizharasan (AIADMK)	+2,957

Granular Booth-by-Booth Data for Maduranthakam (SC) →

Dharapuram (SC) Historical Record

AC #101

Election	Winning Candidate	Winning Party	Votes Secured	Runner-Up (Party)	Margin
2026 17th Assembly By-Election (October 2026)	P. Sathyabama	TVK	66,841 (37.7%)	S. Suganya (DMK)	+9,471
2026 17th Assembly General (April 2026)	Sathyabama.P	AIADMK	92,857 (45.06%)	Gowri Chitra (TVK)	+16,727
2021 16th Assembly (May 2021)	N. Kayalvizhi Selvaraj	DMK	89,986 (46.33%)	Dr. L. Murugan (BJP / AIADMK Alliance)	+1,393
2016 15th Assembly (May 2016)	V. S. Kalimuthu	INC (DMK Alliance)	83,538 (49.02%)	K. Ponnusamy (AIADMK)	+10,017

Granular Booth-by-Booth Data for Dharapuram (SC) →

100+ VIDEOS Campaign Speeches, Rallies & Ground Vox-Pops

High-definition video coverage of party chiefs, alliance rallies, candidate tours, and voter interviews in Maduranthakam & Dharapuram.

View Complete 100+ Video Archive →

Filter Speeches: All Videos Maduranthakam (AC 35) Dharapuram (AC 101) TVK Alliances DMK-SPA AIADMK-NDA Naam Tamilar Left Front Independents & Vox-Pop

AIADMK Maduranthakam (#35) Oct 09, 2026

Dharapuram By Election Result 2026 Live Updates: தாராபுரம் இடைத்தேர்தல் வாக்கு எண்ணிக்கை நேரலை | Who Is Leading? Winner List

Dharapuram By-Election Result 2026 Live: தாராபுரம் தொகுதி வாக்கு எண்ணிக்கை நிலவரம். DMK, AIADMK, TVK, NTK வேட்பாளர்கள் பெற்ற வாக்குகள் மற்றும் சுற்றுகள் வாரியான நேரடி முடிவுகள்.

AC #	Constituency	District	Winning Candidate & Party	Runner-Up Candidate & Party	Victory Margin
#6	Poonamallee (SC)	Thiruvallur	A. Krishnaswamy (DMK)	G. Vaithiyanathan (AIADMK)	+60,096
#12	Perambur	Chennai	R. D. Sekar (DMK)	R. S. Raajesh (AIADMK)	+68,023
#33	Tiruporur	Chengalpattu	L. Idhayavarman (DMK)	S. Arumugam (AIADMK)	+21,013
#39	Sholinghur	Ranipet	G. Sampathu (AIADMK)	A. Asokan (DMK)	+16,056
#45	Gudiyatham (SC)	Vellore	S. Kathavarayan (DMK)	R. Moorthy (AIADMK)	+27,841
#47	Ambur	Tirupathur	A. C. Vilwanathan (DMK)	J. Jyothi Ramalinga Raja (AIADMK)	+37,767
#54	Hosur	Krishnagiri	S. A. Sathya (DMK)	S. Jyothi Balakrishna (AIADMK)	+23,213
#60	Pappireddipatti	Dharmapuri	A. Govindasamy (AIADMK)	A. Mani (DMK)	+18,493
#61	Harur (SC)	Dharmapuri	V. Sampathkumar (AIADMK)	C. Vaiyapuri (DMK)	+9,394
#131	Nilakkottai (SC)	Dindigul	S. Thenmozhi (AIADMK)	C. Soundarapandian (DMK)	+20,675
#168	Tiruvarur	Tiruvarur	K. Poondi Kalaivanan (DMK)	R. Jeevanantham (AIADMK)	+64,571
#174	Thanjavur	Thanjavur	T. K. G. Neelamegam (DMK)	R. Gandhi (AIADMK)	+39,980
#187	Manamadurai (SC)	Sivaganga	S. Nagarajan (AIADMK)	Ilakkiyan (DMK)	+8,194
#198	Andipatti	Theni	A. Maharajan (DMK)	A. Logirajan (AIADMK)	+12,323
#200	Periyakulam (SC)	Theni	K. S. Saravanakumar (DMK)	M. Mayilvel (AIADMK)	+20,320
#204	Sattur	Virudhunagar	M. S. R. Rajavarman (AIADMK)	V. Srinivasan (DMK)	+1,101
#209	Paramakudi (SC)	Ramanathapuram	N. Sadhan Prabhakar (AIADMK)	S. Murugesan (DMK)	+14,032
#214	Vilathikulam	Thoothukudi	P. Chinnappan (AIADMK)	A. C. Jeyakumar (DMK)	+28,554
#134	Aravakurichi	Karur	V. Senthil Balaji (DMK)	V. V. Senthilnathan (AIADMK)	+37,957
#190	Thiruparankundram	Madurai	P. Saravanan (DMK)	S. Muniyandi (AIADMK)	+2,396
#217	Ottapidaram (SC)	Thoothukudi	C. Shanmugaiah (DMK)	P. Mohan (AIADMK)	+19,657
#118	Sulur	Coimbatore	V. P. Kandasamy (AIADMK)	Pongalur N. Palanisamy (DMK)	+24,513

Seat	Date	Winner	Margin
Bargur	18 Aug 2009	K. R. K. Narasimhan (DMK)	+37,303
Cumbum	18 Aug 2009	N. Ramakrishnan (DMK)	+39,573
Ilayangudi	18 Aug 2009	Suba Mathiarasan (DMK)	+42,449
Srivaikuntam	18 Aug 2009	M. B. Sudalaiyandi (INC)	+21,136
Thondamuthur	18 Aug 2009	M. N. Kandaswamy (INC)	+71,703
Tiruchendur	19 Dec 2009	Anitha R. Radhakrishnan (DMK)	+46,861
Vandavasi (SC)	19 Dec 2009	Kamalakannan (DMK)	+38,011
Pennagaram	27 Mar 2010	P. N. P. Inbasekaran (DMK)	+36,048

Seat	Date	Winner	Margin
Madurai Central	11 Oct 2006	S. Syed Ghouse Basha (DMK)	+31,085
Madurai West	26 June 2007	K. S. K. Rajendran (AIADMK)	+31,115
Aruppukkottai	22 February 1998	Thamarai Kani (AIADMK)	+3,200
Coonoor (SC)	22 February 1998	M. Ranganathan (DMK)	+18,450
Nellikkuppam	17 February 2000	V. C. Shanmugam (DMK)	+12,450
Tiruchirappalli II	17 February 2000	Anbil Periyasamy (DMK)	+14,120

AC #	Constituency	District	Status	Former Member	Reason & Statutory 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.

Tamil Nadu Assembly By-Elections: Maduranthakam & Dharapuram (2026)

By-Election Observatory: Madurantakam (AC #35) & Dharapuram (AC #101)

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Post-By-Election Assembly Composition & Government Cushion

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K. Maragatham Kumaravel (TVK) — 74,048 Votes (40.48%)

P. Sathyabama (TVK) — 66,841 Votes (37.70%)

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Dharapuram (SC)

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Dharapuram (SC) Historical Record

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Constitutional & Legal Framework for Assembly By-Elections

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Article 191(2) & 10th Schedule

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