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In this paper, the authors focused on the very common issue of computer world. It brings into light the processes of software management which test the different units of software development by different development models which are most commonly known as software development life cycle.it primarily focuses on the models like waterfall, iteration and V-shaped. These three models have their respective advantages and disadvantages. This paper is to analysis and presents various models of software development area and then compares them so that their respective advantages and disadvantages can be known.