The correct answer is A. Seraikela.
Seraikela is a town and a municipality in Seraikela Kharsawan district in the Indian state of Jharkhand. It is the headquarters of Seraikela Kharsawan district. The town is located on the banks of the Kharkai River, about 100 kilometers from Ranchi, the state capital.
Seraikela was founded in the 16th century by Raja Seraikela, a Munda chieftain. The town was originally called Serai, which means “resting place” in Hindi. In the 18th century, the town was renamed Seraikela after its founder.
Seraikela is a major center of trade and commerce in the region. The town is home to a number of industries, including steel, cement, and textiles. Seraikela is also a popular tourist destination, with a number of historical and cultural attractions.
The other options are incorrect because they are not the headquarters of Seraikela Kharsawan district. Option B, Serai, is a village in Seraikela Kharsawan district. Option C, Kharsawan, is a town in Seraikela Kharsawan district. Option D, Kela, is a village in Seraikela Kharsawan district.