किस शासक के शासनकाल के समय मगध पर 12 वर्षों का अकाल पड़ा - During the reign of which ruler there was a famine of 12 years on Magadha? - Kis Shashak Ke Shashankaal Ke Samay Magadh Par 12 Varshon Ka Akaal Pada Bihar Gk in hindi, Bihar Ancient Histroy Question Answers udayin question answers in hindi pdf Ajatashatru questions in hindi, Know About Ashok Bihar Gk online test Bihar Gk notes in hindi quiz book Chandragupt Maurya