Multiple choice Bihar was formed on 22nd March 1925 22nd March 1932 22nd March 1912 22nd March 1941 Reveal answer Fill a bubble to check yourself C Correct answer Explanation Bihar was formed on March 22, 1912, when the Bengal Presidency was partitioned and Bihar and Orissa became separate provinces. This was a major administrative restructuring during British rule. The other dates (1925, 1932, 1941) are incorrect.