The ban will run until May 15 at the earliest, pending further public health advice.
Michael Slater has blasted Scott Morrison over the India travel ban.
Chief Medical Officer Dr Paul Kelly appeared to push back on those assertions Monday, confirming the decision to institute the ban was based on his department's advice - but prison time and five-figure fines were not direct recommendations.
"There's no politics or ideology in a pandemic".
The temporary emergency determination, issued late on Friday, is the first time Australia has made it a criminal offence for its citizens to return home.
From Monday, May 3, people who have been to India in the past 14 days will be banned from entering Australia due to the concerns over India's growing coronavirus epidemic, which saw nearly 400,000 cases in a single day on Sunday.
Yadu Singh, a Sydney cardiologist and president of the Federation of Indian Associations of NSW, said the government had a moral obligation to help its citizens.
Slater, who has been working as a commentator in the Indian Premier League, said the PM has "blood on his hands" in a scathing social media post on Monday night.
Australia has been successful in making sure the country had low infections rates and has fewer fatalities than most countries.
Foreign Minister Marise Payne said India arrivals accounted for 57% of positive cases in quarantine, up from 10% in March.
Morrison said this is a temporary arrangement and a very hard decision.
'Each new case identified in quarantine increases the risk of leakage into the Australian community through transmission to quarantine workers or other quarantined returnees and subsequently into the Australian community more broadly, ' Professor continued.
Federal Greens Senator Mehreen Faruqi wrote on Twitter that the measures were "absolutely horrific and racist".
"This policy is so mean and irrational that I must also blame racism".
Speaking on local radio on Monday, Australian Prime Minister Scott Morrison said the decision had been taken "in the best health interests of Australia".
"There are different standards at play here depending on which part of the world you're coming from". "Our hearts go out to the people of India - and our Indian-Australian community", Australia's Minister of Health and Aged Care states in the official release.
Legal experts have also raised concerns that the temporary ban violates global law.
"The right not to be arbitrarily deprived of entering one's own country can be subject to restrictions".
Australia Health Minister Greg Hunt commented on the same and said that, "The government does not make these decisions lightly".
"The commission is approaching the Australian Government directly with its concerns".
The country has successfully operated a policy of mandatory, 14-day quarantine for all worldwide arrivals - mostly conducted in hotels. "Let's fix our quarantine system rather than leave our fellow Australians stranded".
The Australian Medical Association, the nation's peak medical group, said the need to pause Indian arrivals was an indication of the "frailty" of the quarantine system.
'I consider that these serious implications can be mitigated through having the restriction only temporarily in place, ie a pause, and by ensuring there are categories of exemptions'.