17th Tamil Nadu Assembly
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The Seventeenth Assembly of Tamil Nadu succeeded the Sixteenth Assembly of Tamil Nadu and was constituted after the April 2026 State Assembly elections, which resulted in a Hung Assembly for the second time in the state's history, with no party or alliance reaching the majority mark, since 1952 election when INC was the largest party with no majority in the 1st Madras Assembly.
Office bearers
The main officials of the Tamil Nadu Legislative Assembly are:
| Position | Name | Office Taken |
|---|---|---|
| Speaker | J. C. D. Prabhakar | 12 May 2026 |
| Deputy Speaker | M. Ravisankar | 12 May 2026 |
| Leader of the House | K. A. Sengottaiyan | 12 May 2026 |
| Government Whip | R. Sabarinathan | 12 May 2026 |
| Leader of Opposition | Udhayanidhi Stalin | 10 May 2026 |
| Deputy Leader of Opposition | K. N. Nehru |
Chief Minister
| Chief Minister | Took office | Left office | Term |
|---|---|---|---|
| C. Joseph Vijay | 10 May 2026 | - |
Council of Ministers
Source:
Composition
| Alliance | Political party | No. of MLAs | Leader of the party | ||
|---|---|---|---|---|---|
| Government TVK+ Seats: 116 | Tamilaga Vettri Kazhagam | 107 | C. Joseph Vijay (Chief Minister) | ||
| Indian National Congress | 5 | S. Rajesh Kumar | |||
| Viduthalai Chiruthaigal Katchi | 2 | Vanni Arasu | |||
| Indian Union Muslim League | 2 | A. M. Shahjahan | |||
| Confidence and Supply Seats: 22 | All India Anna Dravida Munnetra Kazhagam (Rebel Faction) | 17 | S. P. Velumani | ||
| Communist Party of India (Marxist) | 2 | R. Chellaswamy | |||
| Communist Party of India | 2 | T. Ramachandran | |||
| Independent | 1 | S. Kamaraj | |||
| Official Opposition SPA Seats: 60 | Dravida Munnetra Kazhagam | 59 | Udhayanidhi Stalin (Leader of the Opposition) | ||
| Desiya Murpokku Dravida Kazhagam | 1 | Premalatha Vijayakanth | |||
| Other Opposition NDA Seats: 32 | All India Anna Dravida Munnetra Kazhagam (EPS Faction) | 27 | Edappadi K. Palaniswami | ||
| Pattali Makkal Katchi | 4 | Sowmiya Anbumani | |||
| Bharatiya Janata Party | 1 | M. Bhojarajan | |||
| Vacant Seats: 4 | Tiruchirappali East Madurantakam Perundurai Dharapuram | 4 | —N/a | ||
| Total | 234 |