Most of text in books and online articles refers to beginning of Jainism around 600 B.C. and founded by Lord Mahavir. Then there are some other references saying Lord Mahavir
An amazing video covering such unique aspects of ancient India.
One of the Last Water Clock in The Jain Temple named Chandravati. This was last seen in 1994. Below mentioned video
– Invention of zero
– Aryabhatta giving Cryptographic patterns.
– Besides many topics that have been covered, one common thing is that every topic ends with feeling of amazement that how