Because... India is a predominantly Hindu nation - not Christian.
What is predominantly used for
Nepal
No. Syria is predominantly a Sunni populated nation.
Spain is a predominantly Catholic nation.
Haiti
Hindu religion defines trinity concept. Brahma Vishnu and Maheshwara. Vishnu and Maheshwara and their incarnation are predominantly worshiped by Hindus. However there are many gods and demigods in Hindu faith.
Yes, kush is a group of predominantly indica marijuana strains (Hindu kush, purple kush etc)
Hinduism is a religion predominantly found in India. Hindu's beliefs are fairly open and a Hindu may be monotheistic, polytheistic, atheist and agnostic, etc. See the related links for more information.
The nation of Chile, like the other nations of South America, is predominantly Roman Catholic.
Asia contains a large variety of religion. West Asians are predominantly Muslims. South Asians are predominantly Hindu (excluding Pakistan and Bangladesh). East Asians (excluding mainland China) tend to be Buddhists, Taoists or Shinto.
India Perhaps?