Answer : 2. "बिहार "
Explanation :

Former Chief Minister of Bihar Karpoori Thakur will be honored with Bharat Ratna (posthumously). He was the Chief Minister of Bihar twice. It is noteworthy that 24th January is also the 100th birth anniversary of Karpoori Thakur. He was a leader who advocated the interests of backward classes. He was the Chief Minister of the state for the first time from December 1970 to June 1971. He was born on 24 January 1924 in Samastipur (Bihar).