Which one of the following district of Jharkhand is known as the ‘Mica capital’……………

The correct answer is: A. Koderma

Koderma is a district in the Indian state of Jharkhand. It is known as the “Mica capital” of India because it is the largest producer of mica in the country. Mica is a mineral that is used in a variety of products, including electronics, cosmetics, and roofing.

The other options are incorrect because they are not known as the “Mica capital” of India.

• Dumka is the headquarters of the Dumka district in the Indian state of Jharkhand. It is located on the banks of the Brahmani River.
• Ramgarh is a district in the Indian state of Jharkhand. It is located in the Chota Nagpur Plateau.
• Sahibganj is a district in the Indian state of Jharkhand. It is located on the banks of the Ganges River.