Dimna Lake is situated in Ranchi, Jharkhand, India. It is a man-made lake, created in 1956 by the construction of a dam on the Subarnarekha River. The lake is a popular tourist destination, and is also used for irrigation and fisheries.
Bokaro is a city in Jharkhand, India. It is located in the Bokaro district, and is the headquarters of the Bokaro Steel Plant. The city is known for its steel industry, and is also a major educational and cultural center.
Dhanbad is a city in Jharkhand, India. It is the headquarters of the Dhanbad district, and is the largest city in the state. The city is known for its coal mining industry, and is also a major educational and cultural center.
Jamshedpur is a city in Jharkhand, India. It is the headquarters of the East Singhbhum district, and is the second largest city in the state. The city is known for its steel industry, and is also a major educational and cultural center.
The correct answer is B. Ranchi.