India is a myriad land of holiness and devotion. India, as well as Indians considers religion as an integral part of their life and its ways. It won't be wrong to say that religion is in fact the part of Indian tradition. Indians associate a great mental and psychological inclination towards their religion. They worship various religions and follow its rituals with an unconditional sincerity. This all points clearly that religion plays an important and considerable role in every aspect of human life in the country.
India is the native land of two great religions of the world, namely, Hinduism and Buddhism. It is also considered the origin of one of the oldest religions of the world, i.e. Zoroastrianism. To mark further, another ancient religion of Jainism saw origin as well as development here. Another recognizable religion that developed here and amalgamated together the best aspects of Hinduism and Islam is Sikhism. India also prides itself in fostering followers of other religions that originated in other countries, such as Islam, Christianity, Bahaism and Judaism. The followers of each and every religion form a part of the population of secular nation that is India.
Hinduism is the largest religion in India; its 828 million adherents compose 80.4% of the population. The term Hindu, originally a geographical description, derives from the Sanskrit, Sindhu, (the historical appellation for the Indus River), and refers to a person from the land of the river Sindhu.
Islam is a monotheistic religion centred around the belief in one God and following the example of Muhammad. It is the largest minority religion in India. Muslims represent the majority in Jammu and Kashmir and Lakshadweep, and high concentrations in the states of Uttar Pradesh, Bihar, West Bengal, Assam, and Kerala. The largest denomination is Sunni Islam, which is practised by nearly 80% of Indian Muslims.
Christianity is a monotheistic religion centred on the life and teachings of Jesus. It is the third largest religion of India, making up 2.3% of the population. Christians have significant populations in North-East India, Goa, Kerala and comprise a majority in Nagaland.
Buddhism is a dharmic, nontheistic religion and philosophy. Buddhists form majority populations in the Indian states of Arunachal Pradesh, and the Ladakh region of Jammu and Kashmir and a large minority (40%) in Sikkim. Around 8 million Buddhists live in India, about 0.8% of the population.
Jainism is a nontheistic dharmic religion and philosophical system originating in Iron Age India. Jainism, although usually believed to be atheistic/non-theistic, accepts the existence of a divine principle, the parmatman, often in fact referred to as 'God', existing in potential state within all beings".
Sikhism began in sixteenth century North India with the teachings of Nanak and nine successive human gurus. As of 2001, there were 19.2 million Sikhs in India. Punjab is the spiritual home of Sikhs, and is the only state in India where Sikhs form a majority. There are also significant populations of Sikhs in neighbouring New Delhi and Haryana.
Parsis, followers of Zoroastrianism, represent approximately 0.006% of the total population of India. There is relatively high concentrations in and around the city of Mumbai. There are several tribal religions in India, such as Donyi-Polo and Mahima. About 2.2 million people in India follow the Bahá'í Faith, thus forming the largest community of Bahá'ís in the world.