What are the main features of Harappan town?

One of the greatest cities of the Indus Valley Civilization, Hrappa emerged around 2600 BC along the river valleys of modern-day Sindh and Punjab

The following features were part of Harappan towns:

• Proper urban planning with well laid out roads, streets were designed in a grid-pattern layout and drainage system

• Harappa had a citadel situated on mud-brick platforms.

• Harappan towns were known for the lack of stone buildings, instead their urban centres were built using burnt bricks as the standard material

• Underground drainage system was covered with stone slabs or bricks

For further reading check the following articles:

• Prehistoric Age in India
• Indus Valley Civilization
• Prehistoric Rock Painting