Kummanam Rajasekharan has resigned as Mizoram Governor. He may contest polls from Thiruvananthapuram on BJP ticket against Congress leader Shashi Tharoor.He began his political career as an activist of Rashtriya Swayamsevak Sangh (RSS) and Sangh Parivar in the state of Kerala in 1970. From 2015 to 2018, he was the state president of Bharatiya Janata Party (BJP) in Kerala.
In 1987, he resigned from government service and became a full-time Sangh Parivar worker, while being instrumental in spearheading Kerala's Vishva Hindu Parishad (VHP), Kshetra Samrakshana Samiti, Balasadanams, and Ekal Vidyalayas. Rajaseharan has been the secretary of Hindu Aikya Vedi, Sabarimala Ayyappa Sewa Samajam, General-Secretary and Chairman of Janmabhumi.
In 2019, he was conferred with a Doctor of Letters degree by the Shri Jagdishprasad Jhabrmal Tibrewala University for honouring his contributions to the field of social work.