The new study illuminates the lives of individuals buried more than 4,000 years ago in those rare grave sites by providing a novel comparison of the dental enamel and chemical analyses of the water, fauna and rocks of the time, using isotope ratios of lead and strontium
Still we cling to 5000 BC as the bench mark,the date assigned to the Rig veda.
The Riwatian People of India date back to 1,900,000 BC!
Many skim the eastern part of India when studying Indian History,especially that of Bengal.
Surprise in store.