Who were at risk of being expelled from Ghalib Academy?

Omar and Naveed were at risk of being expelled from Ghalib Academy due to their patterns of behavior that led to serious disciplinary issues within the school. This situation could stem from various factors, such as repeated rule violations or failure to adhere to the school's standards. Their actions might have drawn the attention of the administration, resulting in an impending expulsion, which indicates a significant concern about their conduct in the academic environment. Understanding the dynamics of student behavior and disciplinary measures can provide insight into the story's themes of accountability and the consequences of one's actions within a school setting.

In contrast, the other pairs, while they may face challenges or conflicts, do not specifically mention expulsion or disciplinary warnings related to their conduct. Thus, Omar and Naveed’s situation is uniquely highlighted in the context provided.