The Indus valley civilization was known for its "Town planning"
Explanation:
Indus valley civilization was also called Harappan civilization, it was one of the oldest civilization of the world as well as India dated back to around 5000 years old.
This civilization was famous for its Town planning, sanitation, and drainage system and a lot more which is still same as today's modern world.
It was rediscovered by Sir John Marshal and R.D Banerjee in 1921.