← All Political Alliances / Key Opposition Coalition in the 17th Tamil Nadu Legislative Assembly Floor Strength: 51 / 234 Seats (Secondary Opposition Front Post-By-Polls)

AIADMK-led Alliance (NDA Front) (AIADMK+ / NDA)

அஇஅதிமுக கூட்டணி (தேசிய ஜனநாயகக் கூட்டணி)

The AIADMK-led Alliance (அஇஅதிமுக கூட்டணி), operating in partnership with the National Democratic Alliance (NDA), is a dominant political front in Tamil Nadu. Founded by M. G. Ramachandran in 1977, the alliance has governed the state for over three decades under MGR (1977-1987), J. Jayalalithaa (1991-1996, 2001-2006, 2011-2016), and Edappadi K. Palaniswami (2017-2021).

Chairperson / Leader Edappadi K. Palaniswami Former Chief Minister (2017-2021) & General Secretary, AIADMK
Legislative Majority 51 / 234 Seats (Secondary Opposition Front Post-By-Polls) 51 Seats on Assembly Floor (AIADMK 45, PMK 4, BJP 1, DMDK 1, AMMK 1)
Formation Date & Base 1977 (Reconstituted for 1998, 2011, 2019, 2021, and 2026) Puratchi Thalaivar M.G.R. Maaligai, Avvai Shanmugam Salai, Royapettah, Chennai, Tamil Nadu
Official Documentation Read Wikipedia Entry → Verified historical encyclopedia record
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Political Genesis, Formation & Assembly Dynamics

In the 2026 Assembly election, AIADMK entered into an alliance with Pattali Makkal Katchi (PMK), Bharatiya Janata Party (BJP), Desiya Murpokku Dravida Kazhagam (DMDK), and Amma Makkal Munnettra Kazagam (AMMK). The alliance contested all 234 seats and won 53 seats (AIADMK 47, PMK 4, BJP 1, DMDK 1, AMMK 1), securing 28.42% of the statewide popular vote.

Ideological Tenets & Guiding Philosophies:
✓ Annaism & MGR Legacy ✓ Social Welfare & Freebies Distribution ✓ Rural Agrarian Advocacy ✓ Cooperative Federalism with Central Support ✓ Tamil Pride & Pragmatic Regionalism
Current 17th Assembly Mandate

Current Alliance & Detailed Seat Sharing (2026)

Open 2026 Standalone Dossier →
2026 Assembly 17th Tamil Nadu Legislative Assembly Election
53 Seats Won • Holds Secondary Opposition position in 17th Assembly
Contested: 234 Won: 53 Lost: 181 Strike Rate: 22.65% Share: 28.42%
Member Party Contested Won Lost Strike Rate Popular Votes Vote Share Key Leader & Assigned Symbol
AIADMK
All India Anna Dravida Munnetra Kazhagam
180 47 133
26.1%
10,812,400 21.93%
Edappadi K. Palaniswami
Symbol: Two Leaves
PMK
Pattali Makkal Katchi
23 4 19
17.4%
1,720,500 3.49%
Dr. Anbumani Ramadoss
Symbol: Mango
BJP
Bharatiya Janata Party
20 1 19
5.0%
1,180,000 2.39%
K. Annamalai
Symbol: Lotus
DMDK
Desiya Murpokku Dravida Kazhagam
6 1 5
16.7%
210,000 0.43%
Premallatha Vijayakanth
Symbol: Murasu (Drum)
AMMK
Amma Makkal Munnettra Kazagam
5 1 4
20.0%
91,860 0.18%
T. T. V. Dhinakaran
Symbol: Pressure Cooker
Total Coalition Performance 234 53 181 22.65% 14,014,760 28.42% ECI Verified Data
Programmatic Historical Archive

Election-Wise History & Detailed Seat Sharing Pacts

Explore dedicated in-depth pages for each assembly election. View party alliances, seat sharing negotiations, won vs lost ratios, strike rates, and governance outcomes.

11 Elections Indexed
2026 Assembly Secondary Opposition Front

AIADMK - NDA Front

Led by: Edappadi K. Palaniswami (General Secretary, Edappadi MLA)
Won / Cont 53 / 234
Strike Rate 22.7%
Vote Share 28.4%

For the 2026 election, Edappadi K. Palaniswami forged a unified opposition alliance uniting AIADMK (180 seats), PMK (23 seats), BJP (20 seats), DMDK (6 seats), ...

2021 Assembly Principal Opposition Front

AIADMK - NDA Front

Led by: Edappadi K. Palaniswami & O. Panneerselvam
Won / Cont 75 / 234
Strike Rate 32.1%
Vote Share 39.7%

Seeking a third straight term in 2021 under Chief Minister Edappadi K. Palaniswami, the AIADMK contested in partnership with the PMK (23 seats) and the BJP (20 ...

2016 Assembly Historic Re-Election Mandate

AIADMK Front (Contested on Two Leaves)

Led by: J. Jayalalithaa (Chief Minister of Tamil Nadu)
Won / Cont 134 / 234
Strike Rate 57.3%
Vote Share 40.8%

In 2016, J. Jayalalithaa made history by securing consecutive re-election as Chief Minister—a feat accomplished for the first time in Tamil Nadu since MGR in ...

2011 Assembly Sweeping Landslide Majority

AIADMK Mega Alliance (AIADMK-DMDK-Left)

Led by: J. Jayalalithaa (Chief Minister of Tamil Nadu)
Won / Cont 203 / 234
Strike Rate 86.8%
Vote Share 52.0%

In 2011, J. Jayalalithaa forged one of the most formidable coalitions in Indian political history by bringing Captain Vijayakanth's DMDK (41 seats), Left partie...

2006 Assembly Principal Opposition Front

Democratic People's Alliance

Led by: J. Jayalalithaa (Leader of Opposition)
Won / Cont 69 / 234
Strike Rate 29.5%
Vote Share 39.9%

In 2006, Chief Minister J. Jayalalithaa formed an alliance with Vaiko's MDMK (35 seats) and the Dalit Panthers of India (DPI, 9 seats). Despite putting up an im...

2001 Assembly Sweeping Landslide Majority

Secular Democratic Front (AIADMK Secular Front)

Led by: J. Jayalalithaa (Chief Minister of Tamil Nadu)
Won / Cont 196 / 234
Strike Rate 83.8%
Vote Share 50.1%

In 2001, J. Jayalalithaa orchestrated a masterstroke by stitching together a massive rainbow alliance consisting of AIADMK, G.K. Moopanar's Tamil Maanila Congre...

1996 Assembly Severe Electoral Rout

AIADMK - Congress Alliance

Led by: J. Jayalalithaa / S. Thirunavukkarasu
Won / Cont 4 / 234
Strike Rate 1.7%
Vote Share 27.1%

In 1996, Chief Minister J. Jayalalithaa forged an alliance with P.V. Narasimha Rao's Congress party. The alliance suffered a catastrophic defeat amidst intense ...

1991 Assembly Historic Landslide Majority

AIADMK - Congress Alliance

Led by: J. Jayalalithaa (Chief Minister of Tamil Nadu)
Won / Cont 224 / 234
Strike Rate 95.7%
Vote Share 59.8%

In 1991, J. Jayalalithaa led the reunited AIADMK into an alliance with Rajiv Gandhi's Congress. Following Rajiv Gandhi's tragic assassination in Sriperumbudur d...

1984 Assembly Decisive Landslide Majority

AIADMK - Congress Alliance

Led by: M. G. Ramachandran (MGR - Chief Minister)
Won / Cont 193 / 234
Strike Rate 82.5%
Vote Share 54.0%

In 1984, M. G. Ramachandran's AIADMK joined hands with Indira Gandhi / Rajiv Gandhi's Congress. While MGR was hospitalized in New York recovering from a kidney ...

1980 Assembly Historic Comeback Mandate

AIADMK - Left Alliance

Led by: M. G. Ramachandran (MGR - Chief Minister)
Won / Cont 149 / 234
Strike Rate 63.7%
Vote Share 45.4%

Following the return of Indira Gandhi to power at the Centre in January 1980, the central government dismissed MGR's elected state ministry under Article 356. I...

1977 Assembly Historic Debut Government Formation

All India Anna Dravida Munnetra Kazhagam (AIADMK Front)

Led by: M. G. Ramachandran (MGR - 1st Term as Chief Minister)
Won / Cont 140 / 234
Strike Rate 59.8%
Vote Share 36.2%

Founded in October 1972 by cinema icon M. G. Ramachandran after breaking away from the DMK, the AIADMK contested its first state Assembly election in June 1977....

📊 AIADMK+ / NDA Historical Assembly Performance Matrix (1977 – 2026)
Election Year Alliance Banner Alliance Leader Contested Won Strike Rate Vote Share Detailed Report
2026 AIADMK - NDA Front Edappadi K. Palaniswami (General Secretary, Edappadi MLA) 234 53 22.7% 28.42% 2026 Breakdown →
2021 AIADMK - NDA Front Edappadi K. Palaniswami & O. Panneerselvam 234 75 32.1% 39.71% 2021 Breakdown →
2016 AIADMK Front (Contested on Two Leaves) J. Jayalalithaa (Chief Minister of Tamil Nadu) 234 134 57.3% 40.78% 2016 Breakdown →
2011 AIADMK Mega Alliance (AIADMK-DMDK-Left) J. Jayalalithaa (Chief Minister of Tamil Nadu) 234 203 86.8% 51.98% 2011 Breakdown →
2006 Democratic People's Alliance J. Jayalalithaa (Leader of Opposition) 234 69 29.5% 39.91% 2006 Breakdown →
2001 Secular Democratic Front (AIADMK Secular Front) J. Jayalalithaa (Chief Minister of Tamil Nadu) 234 196 83.8% 50.10% 2001 Breakdown →
1996 AIADMK - Congress Alliance J. Jayalalithaa / S. Thirunavukkarasu 234 4 1.7% 27.10% 1996 Breakdown →
1991 AIADMK - Congress Alliance J. Jayalalithaa (Chief Minister of Tamil Nadu) 234 224 95.7% 59.84% 1991 Breakdown →
1984 AIADMK - Congress Alliance M. G. Ramachandran (MGR - Chief Minister) 234 193 82.5% 53.95% 1984 Breakdown →
1980 AIADMK - Left Alliance M. G. Ramachandran (MGR - Chief Minister) 234 149 63.7% 45.40% 1980 Breakdown →
1977 All India Anna Dravida Munnetra Kazhagam (AIADMK Front) M. G. Ramachandran (MGR - 1st Term as Chief Minister) 234 140 59.8% 36.20% 1977 Breakdown →
October 2026 Assembly By-Elections

Alliance Position in Maduranthakam (AC #35) & Dharapuram (AC #101)

Contesting the October 2026 By-elections across Maduranthakam and Dharapuram constituencies.

View 100+ By-Election Videos →
Cross-Coalition Comparison

Other Major Alliances in Tamil Nadu Legislative Assembly

Ruling Coalition Government of Tamil Nadu (123 Seats Post-By-Polls) 123 / 234 Seats (Governing Majority)

Secular Social Justice Victory Alliance (SSJVA)

மதச்சார்பற்ற சமூகநீதி வெற்றிக் கூட்டணி

The Secular Social Justice Victory Alliance (SSJVA / மதச்சார்பற்ற சமூகநீதி வெற்றிக் கூட்டண�...

Principal Opposition in the 17th Tamil Nadu Legislative Assembly 59 / 234 Seats (Principal Legislative Opposition)

DMK-led Alliance (Secular Progressive Alliance / DPA) (SPA / DPA)

மதச்சார்பற்ற முற்போக்கு கூட்டணி (திமுக கூட்டணி)

The DMK-led Alliance, historically operating under banners including the Democratic Progressive Alliance (DPA) and the Secular Progressive Alliance (SPA / ம�...