Guru Nanak founded the Sikh religion in the 16th century. Born as a Hindu, he was an advocate of pure monotheistic doctrine of the Upanishads. He spent his entire life preaching his gospel of universal tolerances based on all that was good in Hinduism and Islam. While advocating a middle path, Guru Nanak exhorted his followers to discard hypocrisy, selfishness and falsehood. On Baisakhi day of 1699 at Ananthpur, Guru Govind created a new brotherhood called Khalsa (Pure Ones). Sikhism advocates monotheism, denounces caste system and believes in equality of all.
It is believed that Christianity reached India when St. Thomas, one of the apostles of Jesus Christ arrived and spent a few years in South India. Others believe that it was St. Bartholomew who was the first Christian missionary to arrive in India. However, history indicates that Christian missionary activities started with St. Francis Xavier in 1544 followed by many missionaries from different countries. Much of the modern influences in the Indian society can be attributed to Christianity. Christian missionaries helped to build schools and colleges all over India and spread the message of faith and goodwill in the country.