We have heard about india's contribution to science and technology, in ancient age, in various spheres of the economy from various sources. Today, i will tell you about one such contribution that has enlightened the world with electricity, i.e. "Invention of Battery" . Invention of battery was done by Maharshi Agastya some 7000 years ago. He has given the procedure of making a battery in the form of sanskrit verses. Ancient vedic technologists produced 6 types of electricity, i,e 1) tadit 2) saudamini 3) vidyut 4) shatakoti 5) hradini 6) ashani