Q. Which of the following was the only queen of Ashoka to be mentioned in the Allahabad-Kosam pillar edict? Answer:
Karuvaki
Notes: Karuvaki was the only queen of Ashoka to be mentioned in the Queen’s Edict/Allahabad-Kosam pillar edict. On the edict she is described as the mother of prince Tivara who was also the only son of Ashoka to be mentioned by name in inscriptions.