Religion
The religions that developed in India, there are followers of non- Indian religions. The largest non-Indian religion is Islam. They are about 12% of India's population. Christians are more then 2% of India's population. There are also Zoroastrians who even though make less then 0.01% of India's population, are known around India. There are also a few thousand Jews in India. Judaism and Christianity might have arrived in India before it arrived in Europe.
80% Hindu
14% Muslim
2.4% Christian
2% Sikh
0.7% Buddhist
0.5% Jains
0.4% other