History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c13.s4.4

v1.c13.s4.4

So far as India is concerned the technology of shaping of metals by cold working can be dated back to the Vedic period if not earlier. The ‘Richas’ in Fig.4 clearly indicates the acquaintance of ancient Indians with the use of steam power.