Explanation:

- The Neemrana Baori is an ancient stepwell, known for its architectural beauty and historical significance.

- Located in the Alwar district, it is a popular tourist spot and a testament to ancient engineering.

- Stepwells, like Neemrana Baori, were built to conserve water and serve as resting places for travelers.

- Option:1, Ajmer, is known for its dargah and historical monuments, but not for Neemrana Baori.

- Option:3, Bikaner, is famous for its forts and camels, but not for this particular Baori.

- Option:4, Jaipur, is renowned for palaces and forts, but Neemrana Baori is not located here.

Option:2, Alwar is the correct answer.

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