Identity is an ongoing conversation.
India is no more a Hindu country than China is a porcelain print dress. Some realities are so complex, they don't lend themselves to oversimplification.
Arikamedu: A bit of ancient Rome in India
In Arikamedu, near Pondicherry in South India (of Life of Pi fame), one can find the ruins of a Roman trading settlement dating from the first century C. E.