• Śhiśhupalgarh in Odisha had a square layout with wide roads and strong fortifications.
• It served as the capital of Kalinga and shows advanced planning for safety and trade.
• Artifacts found here suggest active local and foreign trade.
• The city had public spaces, planned streets, and gateways for movement.
• It reflects how cities became centers of power and culture.

Urban design supported both economic growth and security.