किस वर्ष उड़ीसा (ओडिसा) बिहार से पृथक हुआ है ? - In which year Orissa (Orissa) was separated from Bihar? - Kis Year Odisha (Odisa) Bihar Se Prithak Hua Hai ? Bihar Gk in hindi, Administration 1933 Ee. Me question answers in hindi pdf 1936 Ee. Me questions in hindi, Know About 1930 Ee. Me Bihar Gk online test Bihar Gk notes in hindi quiz book 1937 Ee. Me