Describe the Hydraulic structure in ancient time?

(i) In the first century B.C., Sringaverapura near Allahabad had sophisticated water harvesting system channelling the flood water of the river Ganga.
(ii) During the time of Chandragupta Maurya, dams, lakes and irrigation systems were extensively built.

(iii) Evidences of sophisticated irrigation works have also been found in Kalinga, (Odisha), Nagarjunakonda (Andhra Pradesh), Bennur (Karnataka), Kolhapur (Maharashtra), etc.
(iv) In the 11th Century, Bhopal Lake, one of the largest artificial lakes of its time was built.
(v) In the 14th Century, the tank in Hauz Khas, Delhi was constructed by Iltutmish for supplying water to Siri Fort area.