To begin with the historian breaks the myth that Muslim rulers introduced beef eating in India. Much before the advent of Islam in India beef had been associated with Indian dietary practices. Also it is not at all tenable to hold that dietary habits are a mark of community identity.
A survey of ancient Indian scriptures, especially the Vedas, shows that amongst the nomadic, pastoral Aryans who settled here, animal sacrifice was a dominant feature till the emergence of settled agriculture. Cattle were the major property during this phase and they offered the same to propitiate the gods. Wealth was equated with the ownership of the cattle.