Explanation:

- Fateh Sagar Lake: Located in Udaipur, this lake is one of Rajasthan's prominent artificial lakes. It is included in the National Lake Conservation Programme (NLCP).

- Nakki Lake: Found in Mount Abu, this is an important tourist destination. It is also under the NLCP for conservation.

- Swaroop Sagar Lake: Another lake in Udaipur that is often grouped with Fateh Sagar and Pichola, but it is not covered under the NLCP.

- Ana Sagar Lake: Situated in Ajmer, this historic lake has been included in the NLCP for its restoration and preservation.

The option which is not covered under the National Lake Conservation Programme is:

- Swaroop Sagar Lake