Correct option is C
The Gandaris, corresponding to the region of Gandhara (modern-day Pakistan and Afghanistan), had a form of governance known as dilarchy during the time of Alexander the Great’s invasion. Dilarchy refers to a system of dual rule or shared leadership. The Gandhara region was a critical part of the northwestern Indian subcontinent, interacting with the Persian Empire and later falling under Alexander's influence during his invasion of India in 326 BCE. The dilarchic system, along with other political structures, highlighted the complexities of governance in the region before the rise of large empires such as the Mauryan Empire.