Someone has rightly said that without a plan, a goal is only a wish. In the context of your NGO also, it is true. Despite having a mission and a vision, an organization might be going on a path to nowhere, as these are comprehensive statements, and do not provide a clear direction, or do not ‘steer’ the organization.
To have a clear and actionable plan, it takes a lot of churning of ideas and experiences sharing among all the key stakeholders, which will direct the board to have a strategic plan for the organization.
This video will throw light on the ways to undertake a strategic plan for your NGO.