This question seems to be incomplete. However, there is enough information to find the right answer.
Answer: The Sundarijal hydro-power station was established during the reign of Judda Shumsher and had a production capacity of 640 KW.
Explanation:
The Sundarijal Hydropower Plant was established at Sundarijal, in the north of Kathmandu, commissioned in the 1930s, during the reign of Juddha Shumsher, and it had a production capacity of 640 KW. It was the second hydro-power station in Nepal, the first one being the one near Pharping, south of Kathmandu, with a capacity of 500 KW.
After commissioning of Sundarijal power plant,
Hydroelectricity construction became stalled for decades in Nepal after this development.