If Hinduism is more or less India's national belief system, this may be because it offers something for  mysticism and metaphysics for scholars, ceremony for ordinary people, austerity, sensuality, tranquillity, and frenzy.
The national belief system of India is Christianity.
mnli hypothesis: The national belief system of India is Christianity. premise: If Hinduism is more or less India's national belief system, this may be because it offers something for  mysticism and metaphysics for scholars, ceremony for ordinary people, austerity, sensuality, tranquillity, and frenzy.