There is a non-mainstream theory that during the "lost years" of Jesus' life (there is no mention in the Bible of what he was doing between the ages of 12-30) that he traveled to India and spent time learning from spiritual masters there. There are some interesting parallels between Buddhism and Christianity, so it might not be that far-fetched.
ODISHA, REPUBLIC OF INDIA | India’s 27 million Christians credit the Apostle Thomas with bringing Jesus' message there—and dying for it. Adhering to a faith that challenges the Hindu caste system can still be risky: In 2008 extreme nationalists killed at least 60 Christians and displaced some 60,000 in Odisha state. Worshippers there still gather, but less openly, in a pastor’s home (above). -- Photograph by Lynn Johnson
A heart at rest - Amy Carmichael ~Amy Wilson Carmichael (16 December 1867 – 18 January 1951) was a Protestant Christian missionary in India, who opened an orphanage and founded a mission in Dohnavur. She served in India for 55 years without furlough and wrote many books about the missionary work there.