No arrests have been made in connection with the case so far, said the police.
Some TV channels, which showed clippings of the attackers beating up the pilgrims, claimed that the attack was carried out by members of the Maharashtra Navnirman Sena. However, MNS leader Atul Sarpotdar denied his party's role in the incident.
MNS hoarding forgets non-Marathi heroes
Spotted: Mahendra Singh Dhoni at Mumbai airport
With MNS help, Sena retains Mumbai mayor's post
Rohit Sharma's unbeaten 309 hoists Mumbai
MNS wants post office jobs for locals