Answer: 1970
Notes: Karpoori Thakur served two terms as the 11th Chief Minister of Bihar. His first term was from December 1970 to June 1971 and the second term from June 1977 to April 1979. His notable efforts during his tenure were empowering backward classes and implementing pro-poor policies. He is popularly known as "Jan Nayak" (people’s hero). His legacy continues to inspire efforts toward creating a more just and equitable society.
