To answer this question, we need to know the real name of Bharathidasan.
Option A) Subburathinam - This option is correct. The real name of Bharathidasan is Subburathinam.
Option B) Shanmugasundaram - This option is incorrect. Shanmugasundaram is not the real name of Bharathidasan.
Option C) Mayavaram Pillai - This option is incorrect. Mayavaram Pillai is not the real name of Bharathidasan.
Option D) Ramavaram Pillai - This option is incorrect. Ramavaram Pillai is not the real name of Bharathidasan.
The correct answer is A) Subburathinam. This option is correct because the real name of Bharathidasan is Subburathinam.