Ranishwar has more than ten Literacy in CD Blocks of Dumka districts one of which is Saraiyahat.
Ranishwar is a community development block that forms an administrative division in the Dumka Sadar subdivision of the Dumka district in Jharkhand, India. Saraiyahat  58.64% Jarmundi  58.06% Kathikund - 54.09% Ramgarh  55.45% Gopikandar  50.12% Shikaripara  57.10% Ranishwar  60.06% Dumka  70.08% Jama  61.88% Masalia  61.66% Ranishwar CD block is bounded by Shikaripara CD block on the north, Mohammad Bazar CD block in Birbhum district, West Bengal, on the east, Suri I and Rajnagar CD blocks in Birbhum district on the south, and Masalia and Dumka on the west. 
