As the Kushans empire declined,southern area was overpowered by ..? A) Mauryan Empire B) Scythians C) Gupta Dynasty D) none of these Related MCQs: Parathians came from Caspian sea and overpowered Scythian’s in ..? The Kushans came to sub-continent in ..? Which city was summer capital of Kushans..? Which city was winter capital of Kushans..?