History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c20.s4.t1.2
History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c20.s4.t1.2
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v1.c20.s4.t1.2
In the ancient period the plants were thrashed and stored. In course of time the leaves change colour from green to blue grey. Then they were macerated in water and dye was extracted. The modus operandi of extracting dye from indigo vary from place to place.