Question

why Banaras is called as oldest city of India? ​

Answer 1

The city named Banaras is called the oldest city of India because because it is known for its old rituals and temples and know as Vanarasi

Answer 2

Varansi or Banaras is known as the oldest city of India because every old City is situated on the bank of a sacred River and famous for it's religious or spiritual activities like banaras.