Communication is the process of transmitting information, ideas, thoughts, feelings, and instructions from one person or group to another in such a way that the intended meaning is understood and acted upon. In Organizational Behaviour, communication serves as the foundation of coordination, cooperation, decision-making, leadership, motivation, and organizational effectiveness. Every organizational activity, whether planning, organizing, directing, or controlling, depends upon effective communication. Without clear communication, misunderstandings arise, productivity declines, and organizational goals become difficult to achieve. The communication process consists of several interrelated elements that together ensure the successful transmission of a message. The first element is the sender or source, who initiates the communication by having an idea, information, or feeling to share. The sender is responsible for presenting the message clearly and accurately. The second element is encoding, which refers to converting ideas or thoughts into symbols such as words, gestures, signs, images, or written language. Effective encoding depends on the sender's communication skills, language proficiency, cultural understanding, and ability to express thoughts clearly. The third element is the message, which is the information, instruction, opinion, or feeling that the sender wishes to communicate. The message should be complete, concise, accurate, and appropriate to the purpose and audience. The fourth element is the channel or medium, through which the message travels from the sender to the receiver. Common communication channels include face-to-face conversations, telephone calls, emails, letters, reports, meetings, video conferences, notice boards, and digital communication platforms. The choice of channel depends on urgency, confidentiality, complexity, and organizational practices. The fifth element is the receiver, the individual or group for whom the message is intended. Effective communication occurs only when the receiver receives and understands the message as intended. The sixth element is decoding, which involves interpreting and understanding the received message. Decoding depends on the receiver's knowledge, experience, attitudes, perceptions, and communication skills. The seventh element is feedback, which is the receiver's response to the sender. Feedback confirms whether the message has been correctly understood and allows the sender to clarify misunderstandings if necessary. Feedback makes communication a two-way process. The final element is noise or barriers, which refers to anything that interferes with the accurate transmission or understanding of the message. Noise may be physical, psychological, semantic, technological, or organizational. Communication has immense relevance in Organizational Behaviour because it influences every aspect of organizational functioning. It promotes coordination among departments by ensuring that different units work toward common objectives. Effective communication facilitates planning by enabling managers to share goals, strategies, and policies with employees. It supports decision-making by providing accurate and timely information to managers and employees. Communication is essential for leadership because leaders influence followers primarily through communication. They communicate vision, expectations, values, and organizational objectives. Good communication enhances motivation by recognizing employee achievements, explaining rewards, and encouraging participation. It also strengthens interpersonal relationships by developing trust, cooperation, and mutual understanding among employees. Communication plays a significant role in