Rani ki vav was built by

Rani Naikidevi
Rani Lilavati-devi
Rani Udayamati
Rani Mayanalladevi

The correct answer is: Rani Udayamati.

Rani ki vav is a stepwell located in Patan, Gujarat, India. It was built in 1063 CE by Rani Udayamati, the wife of King Bhimdev I of the Solanki dynasty. The stepwell is a UNESCO World Heritage Site.

Rani ki vav is a 64-meter-deep stepwell with 13 floors. It is decorated with intricate carvings and sculptures. The stepwell is a popular tourist destination.

A. Rani Naikidevi was the wife of King Jayasimha Siddharaja of the Chalukya dynasty. She was not the builder of Rani ki vav.
B. Rani Lilavati-devi was the wife of King Kumarapala of the Chaulukya dynasty. She was not the builder of Rani ki vav.
C. Rani Udayamati was the wife of King Bhimdev I of the Solanki dynasty. She was the builder of Rani ki vav.
D. Rani Mayanalladevi was the wife of King Jayasimha Siddharaja of the Chalukya dynasty. She was not the builder of Rani ki vav.