Complex sentence: People make the pilgrimage to the Kumbh Mela specifically to see and experience both the religious and secularat participate in the Kumbh Mela include the Sadhus (Hindu holy men) and pilgrims.
Split into simpler sentences: People make the pilgrimage to the Kumbh Mela specifically to see and experience both the religious and secular aspects of the event. Two major groups that participate in the Kumbh Mela include the Sadhus (Hindu holy men) and pilgrims.