Raja Mangalvedhekar is a noted writer, poet and social worker. While involved in the freedom struggle and working with Sane Guruji, he was inspired to write for children. Mangalvedhekar's works have been published till date, over 200 of which includes stories, poems, dramas, biographies, letters and also books related to science and nature. His book series are also popular, 'Apla Bharat', 'Shodh Bhartacha' are some of them. He wrote Sane Guruji's biography. He has recieved many awards for his contribution in chidren's literature, Jawaharlal Nehru Smriti, Gadima Purskar, BalSeva are some of them.