Correct Option: C

The family temple (Devakula in Sanskrit) of the Kushan royal family was where patron deity or deities of the Kushanas should be worshipped. Two Devakulas so far discovered, one at Surkha Kotal in South Bactria (Afghanistan) and another one at Mat near Mathura in north India. The Devakulas contained sculptures of Kushan rulers Kanishka and others.