Name the plan, basically formulated to meet the challenges of specialcircumstances. Explain it.
'Single use plans' are basically formulated to meet the challenges of special circumstances. Single-use plans are developed to achieve one objective specific to a particular event or project. They are non-repetitive and unique. The period involved in these plans depends largely on the project and may vary from one day to several weeks. They are of two types: budget and programme.