Social case work is a professional method of helping individuals solve personal, emotional, social, and environmental problems through a planned helping process. The effectiveness of social case work depends on the proper use of various tools that enable the case worker to understand the client's situation, build a helping relationship, and facilitate positive change. These tools are not mechanical techniques but professional skills and methods that require sensitivity, ethical practice, and sound judgment. The first and most important tool is the interview. Interviewing is a purposeful conversation between the social worker and the client to collect information, understand the client's problems, assess needs, and provide guidance. Through interviews, the worker develops rapport, identifies strengths and limitations, and motivates the client to participate actively in problem-solving. Interviews may be structured, semi-structured, or unstructured depending on the nature of the case. Observation is another essential tool in social case work. It involves carefully watching the client's behaviour, appearance, emotions, body language, interactions, and surroundings. Observation helps the worker identify facts that may not be expressed verbally. It is particularly useful when working with children, elderly persons, or clients who have difficulty communicating their feelings. Communication is a vital tool for establishing trust and understanding. Effective communication includes both