मलिक इब्राहिम या मलिक बया बिहार का प्रशासक किस काल में था ? - Malik Ibrahim or Malik Baya Bihar In which era was the administrator of? - Malik Ibrahim Ya Malik Baya Bihar Ka Prashasak Kis Kaal Me Tha ? Bihar Gk in hindi, Bihar Medieval History Quiz Khilji Kaal question answers in hindi pdf Tugalak Kaal questions in hindi, Know About Mamlook Kaal Bihar Gk online test Bihar Gk notes in hindi quiz book Lodi Kaal