Gandhari's first child is named Duryodhan - S2.E20

Extreme weather conditions prevail during the birth of Dhritarashtra's first child and Krupacharya suggests the baby should be sacrificed for the betterment of Hastinapur. But Dhritarashtra decides to keep the child and names him Duryodhan. Indradev blesses Kunti with a boy, who is named Arjun.