Emotions displayed by individuals has a significant role in our lives and are increasingly being accepted as a critical element in today’s world. Emotional Intelligence (EI) is a concept that is gaining importance in organizations, as it is believed that human relations and activities related to it are influenced by factors related to emotions as compared to rational. EI is the ability to understand one’s emotions and inspire, influence, and understand others’ emotions. It is significant in the organization because it helps in improving your interpersonal relationships, both personally and professionally. When employees notice that their organization appreciates and provides support for them, there is a greater chance that they will participate in Organizational Citizenship Behavior (OCB), which can contribute to a more positive work environment and increased productivity. OCB is a commitment towards an organization by an employee that is not associated with their regular employment contract. This study analyzes various emotions that prevail within an organization during an employee’s term of employment, which measures parameters such as selfawareness, self-regulation, empathy, motivation and social skills. The study surveyed 181 employees of select service sectors including IT, Banking, Hospitality, Healthcare & Teaching working in Mangalore region. The study focusses on to find out how Emotional Intelligence affects Organizational Citizenship Behaviour of employees. Regression analysis results that self-regulation and motivation (Elements of Emotional Intelligence) predicts OCB significantly whereas Self-awareness, Empathy and Social skills are not. With the intension to find out important dimensions of OCB and EI, factor analysis is used resulting with each showing two dimensions. Employees were more inclined to use their discretion in ways that benefited the company if they had greater levels of emotional intelligence. This indicates that encouraging and improving emotional intelligence can be a useful tactic for advancing OCB inside the company.