Manbhum district forms the first step of a gradual descent from the table-land of chota nagpur to the delta of lower Bengal.
The distress was most acute in the densely populated districts of northern Behar, and in the remote hills of chota nagpur.
To the south it has overflowed into the northern half of chota nagpur.
The river-valleys of chota nagpur are also known to have yielded a tribute of diamonds to their Mahommedan conquerors.
The number of divisions or commissionerships is 6, of which chota nagpur ranks as “non-regulation.”
Jhrikhand—the jungle country, chota nagpur and the Santhal parganas.