Afghanistan[1] Muslim (99%), other (1%)
Bangladesh[72] Muslim (90%), Hindu (9%), Christian (.5%), Buddhist (.5%), Believers in tribal faiths (0.1%)
British Indian Ocean Territory[73] Christian (45.55%), Hindu (38.55%), Muslim (9.25%), Non-Religious (6.50%), Atheist (0.10%), Other (0.05%)
Bhutan[74] Buddhist (75%), Hindu (25%)
Burma[75] Theravada Buddhist (89%), Muslim (4%), Christian (4%) (Baptist 3%, Roman Catholic 1%), Animist (1%), others (including Hinduism) (2%)
India[76][77] Hindu (80.5%), Muslim (13.4%), Christian (2.3%), Sikh (1.9%), Buddhist (0.8%), Jain (0.4%), Others (0.6%)