31.
.................. have been found in Singhbhum.

32.
Who ruled the Chota Nagpur area during Humayun's reign?

34.
Which clan ruled Jharkhand during the Akbar's reign?

35.
Which Chero king was ordered by Aurangzeb to embrace Islam to retain his rule?

36.
Sher Shah Suri sent which of his commander(s) to plunder and loot the King of Jharkhand?

37.
Navratangarh in Doisa was constructed by

38.
Name the commander-in-chief of Alauddin khalji who invaded Chota Nagpur.

39.
Nagbanshis shifted their capital from Doisa to .................

40.
Muhammad bin Tughlaq sent ................. to combat thieves to the Hazaribagh area of Chai Champa.