The department responsible for Panchayat Raj in Karnataka:

Department of Rural Development and Panchayat Raj
Department of Urban Development
Ministry of Panchayat Raj (Central)
Ministry of Home Affairs

The correct answer is: A) Department of Rural Development and Panchayat Raj.

The Department of Rural Development and Panchayat Raj is the nodal department for the implementation of the Panchayat Raj System in Karnataka. It is responsible for the development and management of rural areas, including the provision of basic services such as education, health, and sanitation. The department also works to promote the participation of rural people in the development process.

The Department of Urban Development is responsible for the development and management of urban areas, including the provision of basic services such as water supply, sanitation, and transportation. The department also works to promote the participation of urban people in the development process.

The Ministry of Panchayat Raj (Central) is responsible for the development and management of the Panchayat Raj System at the national level. The ministry works to promote the decentralization of power and the participation of local people in the development process.

The Ministry of Home Affairs is responsible for the maintenance of internal security and the enforcement of law and order in the country. The ministry also works to promote the welfare of the people and to protect their rights.

In conclusion, the Department of Rural Development and Panchayat Raj is the nodal department for the implementation of the Panchayat Raj System in Karnataka. It is responsible for the development and management of rural areas, including the provision of basic services such as education, health, and sanitation. The department also works to promote the participation of rural people in the development process.