asian history

Nepal- Only official Hindu state in the world 90%

India 80%

http://www.geohive.com/global/religion.php

By the way, welcome to A2K!

Only in India -- Hinduism is the majority religion ...
No idea about Nepal

Nepal:
Hinduism 86.2%, Buddhism 7.8%, Islam 3.8%, other 2.2%
note: only official Hindu state in the world (1995) (source: CIA factbook)

Sri Lanka
Buddhist 70%, Hindu 15%, Christian 8%, Muslim 7% (1999) (some source as above. The Tamile population is nearly 100% Hindu.)