Don't Make Bhagavad Gita The National Book Of India

Does India Need A National Book?In a country as multi-religious and multi-cultural as India, Do we Need a Religious Book which Favours a particular Religion as The National Book Of India? It will Also Start A Debate of Why Not other Books Thirukural, Guru Granth Sahib?And So On, The Beauty of India Is Unity in Diversity,Not Unifying The Diversity,