बिहार सरकार द्वारा किस तिथि को “ बिहार दिवस ” मनाने का निर्णय किया गया है ? - On which date the Bihar government has decided to celebrate "Bihar Diwas"? - Bihar Sarkaar Dwara Kis Tithi Ko “ Bihar Diwas ” Manane Ka Decision Kiya Gaya Hai ? Bihar Gk in hindi, General Studies 22 April question answers in hindi pdf 28 March questions in hindi, Know About 22 March Bihar Gk online test Bihar Gk notes in hindi quiz book 42806