India
oi-AK Khan
West Bengal and Tamil Nadu are heading into one of the most closely watched election cycles in recent years, with both states polling on the same day and results scheduled for May 4. The high-stakes contests come with an added layer of uncertainty following the deletion of nearly 91 lakh voters in West Bengal and 70 lakh in Tamil Nadu during the Special Intensive Revision exercise-an intervention that could prove decisive in tightly fought constituencies.
In West Bengal, the battle between the Trinamool Congress and the BJP appears razor-thin. Pre-poll estimates suggest a gap of barely 2% in vote share between the two, a margin that could be decisive in a 294-seat assembly where many seats have historically been decided by under 5,000 votes. Even minor shifts in turnout or voter composition could swing a significant number of constituencies.
Tamil Nadu presents a different kind of disruption. Actor-turned-politician Vijay’s Tamilaga Vettri Kazhagam (TVK) is making its electoral debut by contesting all 234 seats, with opinion polls projecting a vote share between 10% and 18%. While the party’s immediate chances of forming a government remain slim, its real impact lies in vote splitting-raising the critical question of whether it will dent the DMK or the AIADMK more
India elections 2026
Tamil Nadu & West Bengal – pre-poll analysis
Voting: Apr 23-29 Results: May 4
Avg. seat projection (across polls)
NDA (AIADMK+) INDIA (DMK+) TVK (Vijay) Others
Polls diverge widely: DMK-lean polls show 159-189 seats; NDA-lean polls give 107-150. Result is genuinely uncertain.
Avg. seat projection (across polls)
TMC (Mamata) BJP Others/Left
Just 2% vote-share gap between TMC and BJP. Seat arithmetic is extremely tight. SIR-deleted 91L voters could flip 15-20 seats.
Poll aggregator comparison
Tamil Nadu – poll-by-poll range
| Agency | DMK+ | NDA | TVK |
|---|---|---|---|
| Inside Elections | 159-165 | 64-70 | 4-6 |
| Lok Poll | 181-189 | 38-42 | 8-10 |
| Matrize (IANS) | 102-115 | 107-120 | 5-12 |
| VoteVibe | 113-123 | 106-116 | 2-8 |
| JVC survey | ~80 | ~150 | 2-4 |
| Poll Mitra | 95-110 | 45-55 | 77-87 |
| MATRIZE-Zee | 104-114 | 114-127 | 6-12 |
Majority mark: 118 seats. TVK’s disruptive vote share may not translate to proportional seats.
West Bengal – poll-by-poll range
| Agency | TMC | BJP | Others |
|---|---|---|---|
| Matrize (IANS) | 140-160 | 130-150 | 8-16 |
| VoteVibe (CNN18) | 184-194 | 98-108 | – |
| MATRIZE-Zee | 155-170 | 100-115 | – |
| ABP-MATRIZE | 140-160 | 130-150 | 8-16 |
Majority mark: 148 seats. Matrize shows tightest race; VoteVibe shows comfortable TMC win. Historical note: 2021 actual result surprised polls.
Chief minister preference
Tamil Nadu – who should be CM?
EKP
EK Palaniswami (AIADMK)~24-28%
West Bengal – who should be CM?
MB
Mamata Banerjee (TMC)~48.5%
SA
Suvendu Adhikari (BJP)~33.4%
BJP internal weakness: no dominant state-level leader, internal infighting (20% say so), seen as culturally disconnected (13%).
Historical results vs 2026 projections
Tamil Nadu – seat swings since 2011
Tamil Nadu has alternated parties every cycle (2006-2021), except in 2016.
West Bengal – seat swings since 2011
BJP has surged from 3 seats (2016) to 77 (2021). Now targeting 130-150, which would be a historic gain.
Key flashpoints & wild cards
Tamil Nadu
Vijay’s 18% vote share could split DMK votes and hand NDA a surprise. Urban youth & Chennai key battleground.
60%+ women support DMK thanks to ₹5,000 assistance. Female voter base (28.96cr) slightly larger than male.
Tamil Nadu has historically voted out ruling parties each cycle since 2006. DMK is defending a 133-seat haul.
PMK active on caste arithmetic in AIADMK alliance. North TN & Kongu belt could be decisive.
West Bengal
91 lakh voters removed. Minority belt & Matua belt both affected – could reset 120+ marginal constituencies.
BJP projecting 130-150 seats (vs 77 in 2021). Law & order, infiltration and anti-incumbency messaging gaining traction.
48.5% want Mamata as CM. 36.5% would re-elect their TMC MLA – strong grass-roots loyalty.
Phase 1 (Apr 23) turnout data could psychologically shift Phase 2 (Apr 29) voting. History shows Bengal surprises polls.
Voter & electorate stats
Tamil Nadu electorate
Male voters2.77 crore
Female voters2.90 crore
Third gender7,617
Total eligible5.67 crore
Major partiesDMK · AIADMK · BJP · TVK · NTK · PMK
West Bengal electorate
Male voters3.60 crore
Female voters3.44 crore
Voters deleted (SIR)91 lakh (-11.9%)
Effective total6.75 crore
Major partiesTMC · BJP · Left Front · Congress · ISF
Data compiled from Matrize, VoteVibe, Lok Poll, JVC, Inside Elections, Poll Mitra, MATRIZE-ABP, Wikipedia and ECI filings – April 2026. Opinion polls are projections, not results.
