In the realm of data processes, the proverb holds true: garbage in, garbage out. Ensuring quality data is paramount for sound decision-making. Data cleaning, or data cleansing, involves eliminating inaccuracies, duplications, and formatting issues, fostering a culture of quality data decisions. In our data-driven era, the significance of accurate data cannot be overstated, with poor data quality leading to errors and eroded trust. Employing Data Quality Management (DQM) techniques is pivotal. Techniques such as data profiling, standardization, cleansing, validation, enrichment, Master Data Management (MDM), and governance play crucial roles. Various tools, including OpenRefine, Trifacta, Informatica, Talend, SAS, and Microsoft DQS, facilitate effective data cleaning and uphold data quality. In summary, embracing DQM ensures data accuracy, consistency, and trustworthiness, underpinning successful data-driven initiatives.