Later, police found his silver van parked near an empty field in Keysborough with his wallet and other belongings left inside. Homicide squad are currently looking into the matter and has taken over the investigation into his disappearance.
Chauhan's brother, Dinesh, who was visiting Australia to track any information on his youngest sibling claimed there has been no further development in the case.
"No clue has been found. I'm leaving Melbourne empty handed, just as I came here empty-handed," he said. "There has been no information which the police could give me," he told SBS Punjabi radio channel while appealing to the public to help the family in providing any clue about his brother. Shiva had migrated to Australia on a student visa from Punjab.