What are some major Harappan cities?

The major cities of the Harappan Civilization include Harappa, Mohenjo-Daro, Dholavira, Lothal, Kalibangan, and Rakhigarhi. These cities were remarkable for their advanced urban planning, with well-organized streets, drainage systems, and granaries. Mohenjo-Daro and Harappa are among the earliest discovered sites and give the civilization its name. Lothal was an important port city, highlighting the trade links of the Harappans. Dholavira is notable for its unique water management system, while Kalibangan had fire altars indicating religious practices. These cities reveal the high level of development and organization in the Indus Valley Civilization.

This question related to Chapter 6 Social Science Class 6th NCERT.
From the Chapter 6. The Beginnings of Indian Civilisation.
Give answer according to your understanding.