To answer this question, we need to understand that the real name of Bollywood actor John Abraham is not listed among the given options.
Option A) Rajan Kumar - This option is incorrect because it is not the real name of John Abraham.
Option B) Farhan Abraham - This option is incorrect because it is not the real name of John Abraham.
Option C) Shirish Abraham - This option is incorrect because it is not the real name of John Abraham.
Option D) Nitin Abraham - This option is incorrect because it is not the real name of John Abraham.
The correct answer is not among the given options.