Requirements validation is a crucial phase in the requirements engineering process, helping software companies to complete projects without issues with the correctness and completeness of requirements. It helps identify flaws that could cause greater issues later in the software development life cycle. Validation techniques can help organizations save money on bug patches and release projects on time by identifying and repairing flaws during the requirements phase. Research on factors affecting the selection of requirements validation techniques is essential to save developers time and effort, helping the product reach user expectations. The requirements engineering process begins with obtaining stakeholder needs and documenting them in a suitable form for analysis, communication, and implementation.