US President took oath by placing his hand on Bible, what lesson can India learn?

US President Donald Trump took oath by placing his hand on the Bible, while Indian Prime Minister Narendra Modi took oath on the Constitution. The use of religious symbols is normal in America, whereas in India it is considered communal. Can India learn from America that secularism can be maintained while still having faith in religion and culture? This topic raises an important debate on the relationship between politics and religion in India.