Explanation:

Ram narayan singh born in the year 1885 in Hazaribagh District, Jharkhand. He was known as the Chotanagpur kesri(Lion of Chotanagpur). He was a Freedom Fighter, Social Worker, and Politician from Hazaribagh. He was one of the front leaders who was present there during the visit of Mahatma Gandhi to Bihar in 1921-1926 and 1941-1942. He fought for the Independence of the country by joining Indian Independence Movement and other freedom movements led by the Father of our nation Mahatma Gandhi and finally we got our country Independent on 15th august, 1947. After independence, he served the nation as a Politician for some years and then left the world in the year 1964.