बिहार में सैनिक अभियान आयोजित करने वाला पहला सुल्तान था ? - Who was the first Sultan to organize a military campaign in Bihar? - Bihar Me Sainik Abhiyan Ayojit Karne Wala Pehla Sultan Tha ? Bihar Gk in hindi, Bihar Medieval History Quiz Iltutmish question answers in hindi pdf Balban questions in hindi, Know About Kutubuddin Aibak Bihar Gk online test Bihar Gk notes in hindi quiz book Alauddin Khilji