Born on December 23, 1952 at Kummanam village of Aymanam in Kottayam district, Kummanam Rajasekharan completed his school education from Government Upper Primary School, Kummanam and NSS High School, Kottayam then completed his pre-degree from Baselius College, Kottayam later on graduated from CMS College Kottayam with a Bachelor of Science in Botany. After that he took a postgraduate diploma in Journalism and started his journalism career by joining to Deepika daily, Kottayam in 1974. Later he played different roles in many dailies in Kerala. He was the sub editor of Rastravartha daily, Kochi, He also took the role of sub editor in Keraladesam daily Thiruvananthapuram, Kerala Bhooshanam daily Kottayam and Kerala dwani daily Kottayam. In 1976, he took a short break from his journalism career and joined the Food Corporation of India, Kochi. In 1987, he resigned from this government job and became a full-time social worker. He launched several movements to protect environment and to ensure social security and empowerment of backward people.
He took the Oath of Office of the Governor of Mizoram, North Eastern State sharing an international border of 722 kms with Myanmar and Bangladesh, on 29th May 2018.