Hello, I am using a primitive variable formulation for solving the Incompressible N-S equations on a staggered grid in a driven cavity flow (MAC Scheme). Does anyone have an idea about the inflow/outflow boundary conditions to be used

The driven cavity I am familiar with has no inflow/outflow at all. It is a closed box with a moving "lid." Can you try to rephrase your question?

Bob

I think the question should have been Adding inflow/outflow to a driven cavity

I think, still you are not clear...Driven cavity does not have any inflow and outflow...I am fully agree with Mr. Bob...I suggest you to change statement of the problem...