Krishna advised the Prayaschitta of Pilgrimage as He wanted Arjuna to get the help of as many Kings as possible for the Mahabharata war(Arjuna was not aware of the fact).
Arjuna went on a Pilgrimage of India and in the process married many a princesses,including the daughter of a Pandya king-the Pandya fought the war along with the Panadvas.
Vyasa gives a detailed description of the route taken by Arjuna during the Pilgrimage.
This is the route taken by Arjuna.![]()
