The correct option is A Complete separation of religion and politics
India is a secular nation I.e., the state remains neutral in matters concerning religions or equal treatment of all religion by state without favouring one or discriminating other. Political process in India has emanated from social environment. In modern India religion has becoming a major factor for setting up of identity based politics. The political parties have formed in the influence of religion such as RSS, Shiv Sena, Bhatiya Janta Party (influence of Hindu Religion), All India Muslim League, AIMIM (influence of Muslim religion)which possessthreat to the secular fabric of nation while division in the name of religion puts unity of India at stake.