| 1. Radhakrishnan developed an interest in politics in his youth and joined the Students' Federation of India (SFI), affiliated with the CPI(M). |
| 2. He held various leadership positions in different organizations such as the DYFI and served as National President of the Dalit Soshan Mukti Manch. |
| 3. In college, Radhakrishnan participated in protests against government education policies and advocated for agricultural laborers. |
| 4. He was active in organizations like the Kerala Sastra Sahitya Parishad and Total Literacy Movement to connect with the community. |
| 5. Radhakrishnan's family's communist beliefs and the party's fight against social injustice inspired his own involvement. |
| 6. In 2021, threats made to his official phone line led to the arrest of a person named Ajith related to funds meant for Scheduled Castes welfare. |
| 7. In 2023, a incident of caste discrimination during a temple ceremony involving Radhakrishnan caused public outcry, leading to legal action against the priests involved. |
| 8. The incident at the temple was later clarified to be a misunderstanding based on the temple's ritual practices. |
| 9. Some criticized Radhakrishnan for misinterpreting the incident and stirring communal tension based on incomplete information. |