Which of the following cities existed in the Indus Valley Civilization?

Harappa

The correct answer is Option 1- Harappa

The Indus Valley Civilization, also known as the Harappan Civilization, was one of the world's earliest urban civilizations. It flourished in the plains of the Indus River and its tributaries, primarily in what is now modern-day Pakistan and northwest India, from approximately 3300 BCE to 1300 BCE. Harappa was one of the first sites of the Indus Valley civilisation to be excavated.