What is the role of a Business Analyst in different phases of SDLC?

         Planning and Requirement Analysis Phase: Identify the stakeholders, who all will be involved in the project. Plan the business analysis roles.

Defining Phase: Requirement gathering from the client, creating usecase diagrams, DFDs, etc.

Designing Phase: Review the proposed solution documents, keep the stakeholders engaged. Work closely with the designer to ensure requirements are clear.

Building : Frequent meetings with the developer to ensure the project is on the right track, review prototypes.

Testing: Review test scripts to ensure all functional requirements are being tested.