The correct option is C Siddhraj Jaisinh
Siddhraj Jaisinh built the reservoir Shahastralinga means "Lake of thousand lingas, just north of Rani ki Vav over a lake originally known as "Durlab Sagar. During his rule, he built several tanks in different parts of Gujarat. Like in Rani ki Vav, the architecture represents the integration of careful water management and sanctity of water.