It is widely understood that employees want to work for companies that practice ethics. Studies of engagement had mainly focused on identifying its antecedents. However, this research insights exploration role of organizational justice between leaders and their subordinates in the Pakistan’s climate among different age groups. Due to limited knowledge in this regards; there existed reasons of burnout. Therefore, this research aimed to investigate underlying grounds of employee engagement and disengagement in industrial sector. Data was collected from 217 employees using standardized instruments at five point likert scale. Mediation analysis was used to find variance in variables. Findings showed several variations in engagement of different age groups with the variety of leader behaviors. Also justice perceptions had sustainable impact on engagement. This study will aid managers in understanding the reason behind employees’ engagement at work, whilst offering practical methods of managing the successful co-existence of older and younger generations.