https://www.dailymail.co.uk/sciencetech/article-9034163/Indus-Civilisation-people-survived-meat-heavy-diet-pork-beef-BUFFALO-4-500-years-ago.html
Indian Hindus claim ancient harappan and indus civilization but are forbidden to eat meat especially beef
Pakistani Muslims claim ancient harappan civilization but are not allowed to eat pork like the ancient harappans ate
Most Sikhs can eat all meats = therefore proving the ancient harappan civilization were Sikhs in all but name