The correct answer is B. Gobind Sagar.
Maharana Pratap Sagar is a reservoir on the Chambal River in the Indian state of Rajasthan. Gobind Sagar is a reservoir on the Beas River in the Indian state of Himachal Pradesh. Nako lake is a lake in the Kinnaur district of Himachal Pradesh. Chandratal lake is a lake in the Lahaul and Spiti district of Himachal Pradesh.
Gobind Sagar is the largest reservoir in Himachal Pradesh. It is formed by the construction of the Bhakra Dam on the Beas River. The reservoir has a storage capacity of 9.36 billion cubic meters. It is used for irrigation, hydropower generation, and flood control.
Maharana Pratap Sagar is the second largest reservoir in Rajasthan. It is formed by the construction of the Jawahar Sagar Dam on the Chambal River. The reservoir has a storage capacity of 7.75 billion cubic meters. It is used for irrigation, hydropower generation, and flood control.
Nako lake is a high-altitude lake located at an elevation of 4,500 meters. It is a popular tourist destination. The lake is surrounded by snow-capped mountains and pine forests.
Chandratal lake is a high-altitude lake located at an elevation of 4,250 meters. It is a popular tourist destination. The lake is surrounded by snow-capped mountains and glaciers.