Who was the most important of the Parthian rulers in India?
The correct option is A Gondophernes
Gondophares I was the founder of the Indo-Parthian Kingdom which is now in western Pakistan(north-west part of India) towards the end of the 1st century BC. Coins of Gondophernes, some bearing his Indian name Guduphara, indicate that he may have reigned supreme over both eastern Iran and northwestern India.