Over the next 45 days, an estimated 400 million Hindu pilgrims will converge on the city of Prayagraj for a six-week festival that is a kaleidoscope of people from all walks of life.

Image: Pic: Reuters The Maha Kumbh mela, the world's largest religious gathering ... The six-week festival is a kaleidoscope of people from all walks of life. Ash-covered sadhus, holy people ...