These five players ate at an outdoor venue in Melbourne on the eve of New Year Day.
“We have sent five Indian players to precaution isolation on the instructions of the Australian and Indian medical teams,” Cricket Australia said.
The BCCI and Cricket Australia (CA) have been alerted after a video of them eating at a restaurant in Melbourne went viral on social media.
The Indian and Australian teams are currently training in Melbourne for the third Test of the series. The match will be held in Sydney from January 7.