Explanation:

- Pichola Lake is located in Rajasthan.

- It is a stunning artificial freshwater lake situated in the city of Udaipur.

- Pichola Lake is famous for its picturesque beauty, surrounded by palaces, temples, and ghats.

- Built in the 14th century, it has been a significant attraction in Udaipur.

- Option 1, Sikkim, is known for its natural beauty and the Himalayas, but not for Pichola Lake.

- Option 2, Manipur, is famous for Loktak Lake, not Pichola.

- Option 4, Maharashtra, is known for lakes like Powai and Lonar, but not Pichola.

- Answer: Option 3 - Rajasthan

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