Alok Kanungo is an archeologist who has worked closely with James Lankton. during a dig in India he found stone beads that were dated at 4,000 BC (neolithic). the book can be found on the Internet, it shows stone beads identical to the beads excavated in Mali. He also did research and a dig on ancient glass beads manufactured in India. I have the report with pictures if anyone would like a copy please contact me with your email address and I will be happy to send it.