Solution:Jaipal Singh Munda (3 January, 1903 to 20 March, 1970) the tribal leader of Chhotanagpur region, was a member of the constituent assembly.
He was the captain of the Hockey team which won a gold medal at 1928 Summer Olympics in Amsterdam. Jaipal Formed an Advasi Mahasabha in 1938. Which is asked for a separate state of Jharkhand to be carved out of Bihar.