Explanation:

- The Tapovan Vishnugad Hydroelectric Project is a hydroelectric power plant. It harnesses energy by utilizing water flow in a specific region.

- Option 1: Uttarakhand

- This hydroelectric project is indeed located in Uttarakhand.

- Uttarakhand is known for several hydroelectric projects due to its hilly terrain and numerous rivers.

- Option 2: Himachal Pradesh

- While Himachal Pradesh also has several hydroelectric projects, the Tapovan Vishnugad project is not one of them.

- Option 3: Ladakh

- Ladakh’s geography is challenging for such projects, and it doesn't host the Tapovan Vishnugad project.

- Option 4: Jammu and Kashmir

- Similar to Ladakh, Jammu and Kashmir have different geographical challenges and do not host this project.