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All India Trinamool Congress
TMCAll India Trinamool Congress (AITC/TMC) is a major political party in West Bengal led by Mamata Banerjee. Founded in 1998 after breaking from Congress, it has dominated West Bengal since 2011 when it ended 34 years of Left Front rule.
Founded
1998
President
Mamata Banerjee
2024 Seats
29
Vote Share
4%
IDEOLOGY & POSITIONS
Social democracySecularismBengali nationalismWelfare politicsFederalism
CURRENT ALLIANCES
INDIA AllianceCongress (selective)
Election Performance (2004–2024)
SEATS WON
VOTE SHARE (%)
Complete Election History
| Year | Election | Seats Won | Total | Vote % | Outcome |
|---|---|---|---|---|---|
| 2004 | Lok Sabha | 1 | 543 | 1.5% | ✗ Opposition |
| 2009 | Lok Sabha | 19 | 543 | 3.5% | ⚖ Coalition |
| 2014 | Lok Sabha | 34 | 543 | 3.8% | ⚖ Coalition |
| 2019 | Lok Sabha | 22 | 543 | 4.1% | ⚖ Coalition |
| 2024 | Lok Sabha | 29 | 543 | 4% | ⚖ Coalition |
Manifesto Delivery Tracker
Status of key policy promises
Lakshmir Bhandar (women welfare scheme)
✓ Done
Kanyashree (girl education support)
✓ Done
Sabooj Saathi (cycles for students)
✓ Done
Singur land returned to farmers
✓ Done
Industrial development (opposition criticism)
⟳ Partial
Anti-NRC stance in West Bengal
✓ Done
5
Implemented
1
Partial
0
Pending
0
Dropped
Key Milestones & History
1998
Founded by Mamata Banerjee after split from Congress
2001
Alliance with BJP; enters NDA briefly
2009
Won 19 Lok Sabha seats; signals West Bengal shift
2011
Won West Bengal assembly; ended 34-year Left Front rule
2016
Re-elected in West Bengal with big majority
2021
Won West Bengal despite heavy BJP campaign; Mamata wins 3rd term
2024
Won 29/42 Lok Sabha seats in West Bengal
Party Information
Founded
1998
Founders
Mamata Banerjee
President
Mamata Banerjee
HQ
30B, Harish Chatterjee Street, Kolkata, West Bengal
State Presence
Legend:
Dominant
Strong
Moderate
Weak
West Bengal
dominant
Tripura
moderate
Meghalaya
weak
Digital Presence
Twitter/X
5M+
Facebook
4M+