Who among the following was NOT a ruler of the Kushana dynasty?

Nahapana

The correct answer is Option 1- Nahapana

Nahapana was not a ruler of the Kushana dynasty. He was an important ruler of the Western Kshatrapas, a descendant of the Indo-Scythians, in northwestern India. He ruled during the 1st or 2nd century CE.

Vasishka, Vasudeva, and Huvishka were all rulers of the Kushana dynasty. Vasishka was the son of Kanishka the Great, and he ruled from 127 to 147 CE. Vasudeva was the son of Vasishka, and he ruled from 147 to 185 CE. Huvishka was the son of Vasudeva, and he ruled from 185 to 220 CE.