To answer this question, we need to understand the cultural significance of Pongal.
Pongal is a popular harvest festival celebrated in the southern Indian state of Tamil Nadu. It is considered one of the most important festivals in Tamil culture. The festival is dedicated to the Sun God and is celebrated to express gratitude for a bountiful harvest.
Given this information, the correct answer is:
Option C) Tamil Nadu - This option is correct because Pongal is primarily celebrated in Tamil Nadu.