The correct answer is option 2, Ravi. Harappa is situated on the bank of the river Ravi. Harappa is one of the ancient cities of the Indus Valley Civilization, also known as the Harappan Civilization. It was located in what is now modern-day Pakistan. The Indus Valley Civilization was known for its well-planned cities, advanced drainage systems, and sophisticated culture. The cities of the Indus Valley Civilization were strategically built near rivers, which provided a source of water for drinking and agriculture. In the case of Harappa, it was situated on the bank of the Ravi River, which played a crucial role in supporting the civilization`s agricultural activities.