Option d is the correct answer. The script of ancient India that was written from right to left is the Kharosthi script. Kharosthi is an ancient IndoIranian script used by various people in the northwestern regions of the Indian subcontinent and Central Asia. It is predominantly written from right to left, and it was introduced in the 3rd century BCE. This script has been found on various artifacts and inscriptions and provides insights into the historical and linguistic context of the region.