History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c32.s1.23

v1.c32.s1.23

It may be pointed out that there may be similarities or dissimilarities in the techniques involved in the construction of irrigation works from one period to another or from on region to another. But it is the local needs, exigencies and human experience that ultimately decide the technique and the selection of material. So, there is no question of one period following and continuing the techniques of the other period especially in ancient India.