Religious leaders believe that Kumbh Mela is ancient. It did not start from a single event but its tradition evolved along with human civilisation. This event is a heritage of humanity, in which there is a wonderful amalgamation of religion, culture and society.
It's not unsurprising that India hasn't been able to come up with its own Grand Narrative as the intellectual corridors of the country continues to be dominated by people of a liberal or Marxist bent