The correct answer is: A. Baddi.
The Disaster Recovery Centre for monitoring and control of unmanned 33 KV and above power sub-stations in Himachal Pradesh is located in Baddi. It was inaugurated in 2017 and is equipped with state-of-the-art facilities to ensure the uninterrupted supply of power in the state.
The centre is located at the Baddi Power Complex, which is a major industrial hub in the state. It is well-connected to other parts of the state by road and rail. The centre has a team of experienced engineers and technicians who are responsible for monitoring and controlling the power sub-stations.
The centre is equipped with a number of features that help to ensure the uninterrupted supply of power. These include a backup power supply, a fire alarm system, and a security system. The centre also has a number of communication links that allow it to communicate with other power sub-stations in the state.
The Disaster Recovery Centre is an important infrastructure for the state of Himachal Pradesh. It helps to ensure the uninterrupted supply of power, which is essential for the economic development of the state.