AIADMK

KMDK president E.R. Eswaran stated that TVK president Vijay's party likely garnered around 20% of votes, primarily from the AIADMK's vote share. Eswaran attributed this to AIADMK's weak leadership and its alliance with the BJP, suggesting voters dissatisfied with the alliance opted for TVK. He asserted the DMK alliance's vote share remains intact.

Yercaud, a Scheduled Tribe reserved constituency in Tamil Nadu's Salem district, has consistently seen electoral battles between AIADMK and DMK. The AIADMK secured a victory in the 2016 elections with a margin of 17,394 votes, building on their win in 2011. Historically, the constituency has alternated between the two major Dravidian parties, reflecting state-wide political trends.

Attur, a Scheduled Caste reserved constituency in Tamil Nadu's Salem district, has historically seen contests between AIADMK, DMK, and INC. AIADMK secured victories in the 2016 and 2011 Assembly elections, defeating INC candidates. The constituency has witnessed alternating wins for major parties in earlier electoral cycles, reflecting state-level political trends.

Veerapandi, a key Tamil Nadu constituency in Salem, consistently sees a direct fight between AIADMK and DMK. The AIADMK secured a victory in 2016 by over 14,000 votes, building on their win in 2011 with a larger margin. Historically, the seat has alternated between these two Dravidian giants, reflecting regional political shifts.

Omalur Assembly constituency in Tamil Nadu's Salem district has historically seen contests between AIADMK and DMK, with regional parties like PMK also playing a role. AIADMK secured victories in 2016 and 2011, following wins by PMK and AIADMK in earlier elections, reflecting broader state political trends.

AIADMK's Vetrivel S secured a win in Sankari with 87,342 votes, a margin of 9,517. This follows AIADMK's consistent performance in the constituency, with victories in 2016 and 2011. Historically, Sankari has seen shifts between AIADMK and DMK, reflecting evolving voter sentiment in Tamil Nadu.

Namakkal Assembly constituency, a key political segment in Tamil Nadu's western region, has historically seen contests between major parties like AIADMK, INC, and DMK. AIADMK's Baskar K P P secured victory in both 2016 and 2011, demonstrating a strong hold on the seat. Earlier, the constituency witnessed wins by INC and DMK candidates, reflecting shifting political preferences.

AIADMK has consistently dominated the Kumarapalayam Assembly constituency in Tamil Nadu's Namakkal district. P. Thangamani secured significant victories in both 2011 and 2016, showcasing the party's strong hold. The DMK remains the primary opposition, highlighting the ongoing two-party political landscape in the region.

Thirumangalam, a politically significant constituency in Madurai, has predominantly favored the AIADMK, with RB Udhayakumar securing victories in the 2021 and 2016 Assembly elections. Historically, the AIADMK has dominated this seat since 1977.

Edappadi Assembly constituency in Salem district has largely seen contests between AIADMK, PMK, and DMK. AIADMK's K Palaniswami secured decisive victories in both the 2016 and 2011 Assembly elections. Historically, the DMK also registered a win in the 1971 elections, highlighting the constituency's evolving political landscape.

Paramathi-Velur, a key constituency in Tamil Nadu's agrarian Namakkal district, has historically seen close contests between major Dravidian parties and regional players like the PMK. The 2016 elections witnessed a nail-biting finish with the DMK narrowly defeating the AIADMK by just 818 votes. This followed a decisive AIADMK victory in 2011, highlighting the constituency's dynamic political shifts.

Kallakurichi Assembly constituency has a history of close contests between AIADMK and DMK. In 2016, AIADMK's Prabhu A narrowly defeated DMK's Kamaraj P by 4,104 votes. Earlier, AIADMK secured a significant win in 2011, while DMK also has historical victories in the constituency.

Since Jayalalithaa’s passing, AIADMK has struggled to maintain unity and direction.

Perundurai, a key constituency in Tamil Nadu's Erode district, has historically leaned towards the AIADMK. Recent elections, including 2016 and 2011, saw AIADMK candidates secure victories, though with varying margins. The seat, part of the Tiruppur Lok Sabha constituency, represents a blend of farming and industrial activities, with AIADMK and DMK often being the main contenders.

The Kanniyakumari assembly seat, a key constituency in Tamil Nadu, has historically seen a back-and-forth between the DMK and AIADMK. In the 2021 elections, AIADMK's Thalavai Sundaram secured victory, overturning the 2016 result where DMK's S Austin had won. Elections are anticipated in April for this seat.

In a stunning shift, Tamilaga Vettri Kazhagam has transformed Tamil Nadu's political dynamics, relegating the DMK to the opposition role and leaving the AIADMK trailing in third place. This new political force has made substantial strides in regions traditionally dominated by Dravidian parties, especially shaking up DMK's influence in the northern districts and the south's 'thevar belt'.

Tiruchengodu, a key constituency in Tamil Nadu's Namakkal district, has seen tight electoral battles. The 2016 polls saw AIADMK's Saraswathi Pon narrowly defeat DMK's Elangoavan Bar by 3,390 votes. Previously, in 2011, DMDK's Sampathkumar P secured a significant win, highlighting the region's dynamic political landscape and shifting alliances.

DMK candidate Karunanithi K has won the 2026 Tamil Nadu Assembly election in Kovilpatti, defeating Tamilaga Vettri Kazhagam candidate Balasubramanian S and AIADMK candidate Kadambur Raju C. The constituency, known for its industrial base, faced key issues like water scarcity and unemployment. Kadambur Raju, the incumbent MLA, was previously elected in 2021.

A. Karthik of the Tamilaga Vettri Kazhagam has won the 2026 Srivilliputhur (SC) Assembly elections, unseating the historically AIADMK-dominated constituency. CPI's P. Mahalingam secured the second position in the multi-cornered contest, which focused on welfare and social justice issues.