वर्ष 1956 में राज्य पुनर्गठन के साथ बिहार के कितने जिले थे ? - With the reorganization of the state in the year 1956, how many districts were there in Bihar? - Year 1956 Me Rajya Punargathan Ke Sath Bihar Ke Kitne Jile The ? Bihar Gk in hindi, General Studies 35 question answers in hindi pdf 28 questions in hindi, Know About 55 Bihar Gk online test Bihar Gk notes in hindi quiz book 17