The country most ravaged by the Tsunami fury was:

Australia
India
Indonesia
Thailand

The correct answer is (c), Indonesia.

The 2004 Indian Ocean earthquake and tsunami was a natural disaster that occurred on December 26, 2004, with an undersea earthquake off the west coast of Sumatra, Indonesia. The earthquake triggered a series of deadly tsunamis that affected coastal areas of more than 14 countries, resulting in at least 230,000 deaths. Indonesia was the hardest hit country, with more than 168,000 deaths.

The earthquake was caused by the subduction of the Indian Plate under the Eurasian Plate. The earthquake had a magnitude of 9.1–9.3, making it one of the most powerful earthquakes ever recorded. The tsunami waves were up to 30 meters high and traveled at speeds of up to 800 kilometers per hour.

The tsunami caused widespread damage and destruction in Indonesia. The waves destroyed entire villages and towns, and killed or injured thousands of people. The tsunami also caused extensive damage to infrastructure, including roads, bridges, and power lines.

The Indonesian government and international organizations have been working to rebuild the affected areas. However, the recovery process has been slow and difficult. The tsunami has had a lasting impact on the people of Indonesia, and the country is still struggling to recover.

The other options are incorrect because they were not the hardest hit countries by the 2004 Indian Ocean earthquake and tsunami. Australia, India, and Thailand were all affected by the tsunami, but they did not suffer as much damage as Indonesia.