To answer this question, we need to know the name of Duryodhana's son who fought in the war. Let's go through each option to determine the correct answer:
Option A) Rama - Rama is the legendary hero of the Hindu epic Ramayana, and he is not the son of Duryodhana.
Option B) Laxman - Laxman is the younger brother of Rama in the Ramayana, and he is not the son of Duryodhana.
Option C) Durmukh - Durmukh is a character from the Mahabharata, but he is not the son of Duryodhana.
Option D) Durvasa - Durvasa is a sage in Hindu mythology, and he is not the son of Duryodhana.
The correct answer is B) Laxman. This option is incorrect because Laxman is not the son of Duryodhana.