Which leader is known for his decision to introduce reservations for the backward classes in Bihar during his second Chief Ministership?

Karpoori Thakur

The correct answer is Option 1 - Karpoori Thakur

Karpoori Thakur: Chief Minister of Bihar between December 1970 and June 1971 and again between June 1977 and April 1979; Freedom Fighter and socialist leader; active in labour and peasant movements; staunch follower of Lohia; participated in the movement led by JP; known for his decision to introduce reservations for the backward classes in Bihar during his second Chief Ministership; strong opponent of the use of English Language.