[14][15] The party has won a seven-time majority in the Tamil Nadu Legislative Assembly and has emerged as the most successful political outfit in the state's history.

Policies of the AIADMK were targeted at the poorer segments of Tamil society—the poor, rickshaw pullers, and destitute women—and centralizing the massive Puratchi Thalaivar M.G.R.

The competition continued during the 2011 assembly elections, when both parties announced free laptops for school students and mixers, fans, and blenders for the public.

[43] In February 2013, the Government of India notified the final award of the Cauvery Water Disputes Tribunal (CWDT) on the directions of the Supreme Court.

After 22 years of legal battle, then-Chief Minister Jayalalithaa called it a "tremendous achievement" of her government that the state had received due justice.

[53][54][55] The AIADMK opposes the building of the Mekedatu Dam, which could reduce water flows into Tamil Nadu and negatively affect quality of life for residents and agriculture.

Sathiavani Muthu and Aravinda Bala Pajanor were the members of parliament who joined the short-lived Union Ministry led by then-prime minister Charan Singh.

's persona and charisma at this point in time to be "infallible" and a logical continuation of his on-screen "good lad" image, strengthened by his "mythical status" in the minds of the masses.

In the 1989 general election, the party allied with the Indian National Congress, and the alliance won 39 out of 40 constituencies it contested in Tamil Nadu and Puducherry.

The party allied with the Indian National Congress (INC) and swept to power in the 1991 assembly election under her leadership, and she became the second female and fifth chief minister of Tamil Nadu.

Political observers have ascribed the landslide victory to the anti-incumbent wave arising out of the assassination of the former prime minister Rajiv Gandhi[66] by suspected Tamil separatists fighting for a homeland in neighbouring Sri Lanka.

Several alliance party leaders, such as Lal Krishna Advani, S. Ramadoss, Subramanian Swamy, Valappaddy K. Ramamurthy, and Vaiko, participated in it ahead of the Lok Sabha election that year.

The women had the same training as men, which included handling weapons, detection and disposal of bombs, driving, horseback riding, and adventure sports.

[60] On 27 September 2014, Jayalalithaa was convicted in the disproportionate assets case by a Special Court along with her associates V. K. Sasikala, Ilavarasi, and V. N. Sudhakaran and sentenced to four years' simple imprisonment.

[102] However, the Central District Tis Hazari Courts granted him bail on the grounds that the police had failed to identify the allegedly bribed public official.

[104][105] Earlier on 10 August 2017, T. T. V. Dhinakaran was sacked as deputy general secretary at the meeting headed by Edappadi K. Palaniswami at Puratchi Thalaivar M.G.R.

[106][105] After completing her imprisonment at Bengaluru Central Prison, Sasikala filed a case in the City Civil Court IV of Chennai in February 2021, but it upheld her dismissal as the AIADMK general secretary in April 2022.

[104][105] A day after the merger of two AIADMK factions, on 22 August 2017, 19 MLAs[110] owing allegiance to ousted deputy general secretary T. T. V. Dhinakaran submitted letters to the governor, expressing lack of confidence in Chief Minister Edappadi K. Palaniswami and withdrawing support from the government.

After a prolonged legal battle, the Speaker's orders were upheld by the Madras High Court, and bye-elections were held alongside the general parliamentary elections.

During the hearing on 9 April 2021, Dinakaran told the court that he would withdraw from the case as he had started a party called Amma Makkal Munnettra Kazagam.

[123][124] The event reportedly had party cadres reiterating these sentiments, albeit in a lighter tone, and agreeing that the BJP was attempting to wrest control of the state's opposition from the AIADMK.

[125] On 23 June 2022, A. Thamizhmahan Hussain was unanimously elected as the Presidium Chairman of the party at a general council meeting held at the Shrivaaru Venkataachalapathy Palace in Vanagaram, Chennai.

Maaligai in Royapettah, where the supporters of Palaniswami and Panneerselvam threw stones, bottles, and plastic chairs at each other and damaged several vehicles nearby.

[143] The Madras High Court on 17 August 2022 ruled in favor of O. Panneerselvam and declared the AIADMK general council meeting held on 11 July 2022 which had abolished dual leadership as void ab initio.

The court cited procedural lapses to declare the general council meeting held on July 11, invalid and found that there was no data to prove Edappadi K. Palaniswami's claim that 95% of the 1.5 crore (15 million) primary party members supported unitary leadership under him.

[151][152] On 23 February 2023, the Supreme Court of India upheld the decisions of the AIADMK general council meeting held on 11 July 2022, and dismissed the petition of O. Panneerselvam challenging the previous order of the division bench, thus affirming unitary leadership under Edappadi K.

[153][22] On 19 January 2024, the Supreme Court of India refused to stay the August 2023 order of the division bench of Madras High Court, which dismissed the petitions of O. Panneerselvam challenging resolutions passed by the general council held on 11 July 2022, that led to the expulsion of O. Panneerselvam and his supporters from the party, saying the interference at this stage will "lead to huge chaos".

[154] On 11 July 2022, an AIADMK general council meeting was held at the Shrivaaru Venkataachalapathy Palace in Vanagaram following the dismissal of a petition by O. Panneerselvam in the Madras High Court.

[157] On 28 March 2023, the Madras High Court ruled in favor of Edappadi K. Palaniswami and dismissed the petitions of O. Panneerselvam challenging the resolutions passed at the general council meeting held on 11 July 2022.

[164][165][166] In the 2024 general election, the AIADMK-led Alliance consisting of Desiya Murpokku Dravida Kazhagam (DMDK), Puthiya Tamilagam (PT), and the Social Democratic Party of India (SDPI) contested in the state of Tamil Nadu and the union territories of Puducherry and Andaman and Nicobar Islands for the 18th Lok Sabha polls.