Jayalalitha-led government supported the activities of Hindu Munnani in organizing Vinayaka Chathurthi processions in major cities of Tamil Nadu.
[5] Hindu Makkal Katchi staged demonstrations on 29 October 2017 in front of theatres across Tamil Nadu in protest against freedom of speech i.e. 'objectionable sentences' about Goods and Services Tax in actor Vijay's 'Mersal'.
In Tiruchirapalli, HMK members staged a demonstration in front of a theatre, while similar protests were held at Ottenchathram in Dindigul and in Chennai.
[6] In 2008 and 2009 party members were temporarily arrested by the police to block them from staging nationalistic demonstrations on the island of Kachchatheevu, which belongs to Sri Lanka.
It pressed charges against the movie stars Khushbu Sundar (2006), Shriya Saran (2008) and Mallika Sherawat (2008) for "indecent dressing" and "offending Hindu values".
[13] The party's five activists were arrested for indulging in demolition of Periyar E. V. Ramasamy's statue installed in front of the Rajagopuram of the Sri Ranganathaswamy Temple in Srirangam.
[14] In 2017, Hindu Makkal Katchi leader strongly opposed the Indian Prime Minister Narendra Modi's second time visit to Sri Lanka next month, where he was going to participate in the United Nations Vesak Celebrations which was held from 12 to 14 May 2017.
[15] In November 2019, Hindu Makkal Katchi leader Arjun Sampath was detained following his draping of saffron shawl on Thiruvalluvar statue in Pillayarpatti, Thanjavur.
[17] In February 2023, Manikandan, the south district deputy head of the Hindu Makkal Katchi was killed by a gang in Madurai, Tamil Nadu.
[20] In January 2018, a gang threw petrol bombs at the house of HMK south zone organizing president, Balamurugan, in Sivaganga.