To answer this question, we need to have knowledge about the rulers of different Indian kingdoms.
Option A) Kashmir - This option is correct. Vinayaditya was the ruler of Kashmir.
Option B) Gauda - This option is incorrect. Vinayaditya was not the ruler of Gauda.
Option C) Bijapur - This option is incorrect. Vinayaditya was not the ruler of Bijapur.
Option D) Ahmadnagar - This option is incorrect. Vinayaditya was not the ruler of Ahmadnagar.
The correct answer is A) Kashmir. Vinayaditya was the ruler of the Kashmir kingdom.