The Kumbh Mela festival, the largest religious gathering in the world, has begun in the northern Indian city of Prayagraj.

NEW DELHI (Reuters) - India's Maha Kumbh Mela, or Great Pitcher Festival, is set to be the world's largest gathering of humanity, with 400 million visitors expected at the six-week event that began this week in the northern city of Prayagraj.

By Saurabh Sharma PRAYAGRAJ, India (Reuters) -Naked Hindu ascetics smeared in holy ash charged into the waters of sacred rivers in India on Tuesday, part of a large crowd of 35 million devotees who took the holy dip on the second day of the Maha Kumbh Mela,