Explanation: Omeo Kumar Das, popularly addressed as Lok Nayak, was an Indian social worker, Gandhian, educationist, writer and a former minister at the Government of Assam. He held various ministerial portfolios such as Education, Labour and Food and Civil Supplies, during various periods, in the state of Assam. He translated The Story of My Experiments with Truth, the autobiography of Mahatma Gandhi, into Assamese language and contributed to the implementation of Tea Plantation Worker’s Provident Fund in the state.