Rani ki Vav, the famous stepwell in Patan, was commissioned by:

Rani Udayamati
Rani Naikidevi
Rani Rudabai
Rani Minaldevi

Rani ki Vav, the famous stepwell in Patan, was commissioned by Rani Udayamati, the wife of King Bhimdev I of the Solanki dynasty. It was built in the 11th century and is one of the most important stepwells in India. The stepwell is a UNESCO World Heritage Site and is a popular tourist destination.

Rani Naikidevi was the wife of King Jayasimha Siddharaja of the Chaulukya dynasty. She was a powerful and influential queen who is credited with building several temples and stepwells.

Rani Rudabai was the wife of King Rana Kumbha of Mewar. She was a Rajput queen who is known for her beauty and her devotion to her husband.

Rani Minaldevi was the wife of King Kumarpal of the Chaulukya dynasty. She was a devout Jain who is credited with building several Jain temples.

The correct answer is Rani Udayamati.