Gujjar Nala or Gujar Nala or Gujjar Stream (Urdu: گجر نالہ ) is a small ephemeral stream that flows through the Pakistani megacity of Karachi from north east to the center and merges with Lyari River. Urdu ( ur '''{{Nastaliq اردو}}''' trans Urdū, historically spelled Ordu) is a Central Indo-Aryan language Urdu is a standardised Ephemeral things (from Greek εφήμερος - ephemeros, literally "lasting only one day" are transitory existing only briefly A stream is a body of Water with a current, confined within a bed and stream-banks Pakistan () officially the Islamic Republic of Pakistan, is a country located in South Asia, Southwest Asia, Middle East and A megacity is generally defined as a Metropolitan area with a total Population in excess of 10 million people (ڪراچي) is the largest city in Pakistan. It is the world's second largest city proper behind Mumbai in terms of population which exceeds 10 million Lyari River ( Urdu:لیاری ندی is a small Ephemeral Stream that flows through the Pakistani Megacity of Karachi