The correct answer is: C. Both civil and criminal cases.
The Appellate Jurisdiction of Jharkhand High Court extends to both civil and criminal cases. The High Court can hear appeals from the decisions of the lower courts in both civil and criminal matters. In civil cases, the High Court can hear appeals from the decisions of the District Courts and the Subordinate Courts. In criminal cases, the High Court can hear appeals from the decisions of the Sessions Courts and the Magistrate Courts.
The High Court has the power to confirm, reverse, or modify the decisions of the lower courts. It can also remand the cases back to the lower courts for further hearing. The High Court can also grant new trials in both civil and criminal cases.
The High Court has a very important role in the administration of justice in the state of Jharkhand. It is the highest court in the state and its decisions are binding on all the lower courts. The High Court is also the guardian of the fundamental rights of the people of the state.