The lost and found Hindu pilgrims at the Kumbh Mela

Millions of Hindu pilgrims have been attending the 55-day-long religious festival of Maha Kumbh Mela near the city of Allahabad.

The constant swell of people means thousands of devotees inevitably get lost among the crowds - but help is at hand in the form of officials and volunteers who are responsible for reuniting them with their friends and family.

Dhruti Shah reports.