Rapid technological advancements and evolving business scenarios call for newer customized solutions or transformation of existing systems to state-of-the-art environments, while retaining the embedded business processes, rules and logic.

Continuing shifts in underlying application infrastructure and the lack of expertise for successful development and deployment remain serious stumbling blocks for organizations, worldwide. Additionally, business pressures are pushing managers to justify all costs while delivering enhanced business value.

To improve the performance of the existing software product, often, it needs to be modified and updated, the important performance criteria being its maintenance of speed and stability. As software products are facing ever-increasing competition, it is necessary to add more functionality in the same software. Sometimes a software product needs to be re-engineered to correct the existing bugs.