[14] In Chamarajanagara, Karnataka, his film Athiratha faced opposition from right-wing extremists who tore down posters and prevented its screening, citing Kumar's political stances.

[16] He supports various social causes and has been involved in activist initiatives, including:[17] In 2022, Kumar was arrested for his tweet regarding Justice Krishna Dixit, who was presiding over the hijab issue in the Karnataka High Court.

[28] Kumar supported successful demands for 24-hour medical care and a monthly compensation increase for Endosulfan victims in Karnataka's coastal belt.

[32] In April 2018, the Bharatiya Janata Party (BJP) officially claimed the Dhidalli struggle was "Naxalite-inspired" and listed Kumar as responsible.

[33] Kumar advocated for the recognition of an independent Lingayat religion[34] based on the philosophy of Basava and Vachana literature.

Starting in September 2005, he advocated academic techniques such as interactive sessions, discussion forums, writing assignments, guest speakers, and meta-syllabus-based studies.

In February 2022, Ahimsa was arrested for his alleged comments against a Karnataka High Court judge who was hearing a hijab case.

[46] In October 2022, another First Information Report (FIR) was filed against Ahimsa by a right-wing extremist group for stating that Buta Kola, depicted in the film Kantara, was not part of a Hindu custom.

[46] Ahimsa again faced arrest in March 2023 by the Bengaluru city police based on a complaint from a Bajrang Dal activist, accusing him of hurting religious sentiments with a tweet about Hindutva.