Inquiry
14 events, 1854 to 2025; 1 marked as turning points.
1854
Madras Torture Commission appointed
A commission was appointed to investigate the torture of ryots by revenue officials in the Madras Presidency.
1969
Rajamannar Committee on Centre-State relations
The DMK government appointed a committee under P. V. Rajamannar to study state autonomy and Centre-State relations.

1976
Sarkaria Commission of Inquiry into the DMK government
A one-man commission under Justice R. S. Sarkaria was appointed to inquire into corruption charges against the dismissed DMK government.
1995
About 600 policemen raided the Dalit village of Kodiyankulam in Thoothukudi district, destroying property amid caste clashes in southern Tamil Nadu.
1997
Jain Commission interim report on the Rajiv Gandhi assassination
Criticism of the DMK over the LTTE in the Jain Commission's interim report prompted Congress to demand the party's exit, bringing down the Gujral government.
2004
A fire at a school in Kumbakonam killed 94 children after a thatched roof caught fire, leading to new school safety rules.

2009
Police and lawyers clash in the Madras High Court
A police action against lawyers on the Madras High Court campus led to an inquiry by former Supreme Court judge B. N. Srikrishna.

2011
Police opened fire on Dalits protesting at Paramakudi on the Immanuel Sekaran memorial day, and the death toll rose to seven.
2016
Chief Minister J. Jayalalithaa died at Apollo Hospital, Chennai, after a 75-day hospitalisation; O. Panneerselvam was sworn in the same night.

2017
Kodanad estate robbery and murder
A watchman was killed during a break-in at the Kodanad tea estate in the Nilgiris, a retreat used by J. Jayalalithaa.
2022
Vengaivayal drinking water tank contamination
Human faeces were found in an overhead water tank serving Dalit families in Vengaivayal village of Pudukkottai district.
2024
Kallakurichi illicit liquor deaths
Methanol-laced illicit liquor killed more than 60 people in Kallakurichi district.
2025
Custodial death of temple guard Ajith Kumar
Temple watchman Ajith Kumar died after being held by police in Sivaganga district over a theft complaint; the case went to the CBI.
Karur crowd crush at TVK rally
A crowd crush at a Tamilaga Vettri Kazhagam campaign rally addressed by Vijay in Karur killed 41 people.