The popular travelogue also reflects on lives of people who lived in the plains, valleys and mountains of ancient India besides the country's journey from 'Indraprastha' and myths and legends surrounding it.
A prolific writer and an eminent entrepreneur, Kumar is chairman and managing director of the Malayalam daily Mathrubhumi and a Rajya Sabha MP.
The award was announced after a selection board with illustrious personalities met here under the chairmanship of Prof Satyavrat Shastri.
Born on August 15, 1937, Kumar is a socialist inspired by Ram Manohar Lohia and is a recipient of many prestigious awards including Sahitya Akademi awards.
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'Haimavatha Bhoomiyil' has more than 50 editions and has been translated into Hindi and Tamil.
The Moortidevi Award, constituted by the Bhartiya Jnanpith, is presented annually for a "contemplative and perceptive work which expresses, underlines and illumines human values rooted in the broad vision of Indian philosophy and cultural heritage".