To answer this question, you need to be familiar with different sports and their players.
Option A) Badminton - This option is correct. Ajay Jayaram is a well-known badminton player.
Option B) Golf - This option is incorrect. Ajay Jayaram is not known for playing golf.
Option C) Tennis - This option is incorrect. Ajay Jayaram is not known for playing tennis.
Option D) Hockey - This option is incorrect. Ajay Jayaram is not known for playing hockey.
The correct answer is A) Badminton. Ajay Jayaram is a well-known badminton player.