Question

what discovery proved that India has 4500 year old urban civilization in in indus valley civilization is called harrapan civilization​

Answer 1

Answer: The excavations carried out at various sites prove that around 4,500 years ago highly civilized people lived in this region and gave to the world its earliest cities, its first town planning, its first architecture in stone and clay and its first example of sanitary engineering and drainage system.

Explanation:

Answer 2

Answer:The excavations at various sites proved that 4500years ago there was highly civilized people lived in that region.