The selection of best alternative from many alternatives is known as decision-making. Decision making is a process of selecting the best among the different alternatives. It is the act of making a choice. There are so many alternatives found in the organization and departments.
Medium term planning is 2 to 5 years. A medium-term plan is a planned sequence of work for a subject (or for more than one subject) for a period of weeks, such as a half-term or term, or for a number of lessons.
The decision deal with novel and non-repetitive problems is non-programmed decision. These decisions are taken in unstructured situations which reflect novel, ill-defined and complex problems. The problems are non-recurring or exceptional in nature. Since they have not occurred before, they require extensive brainstorming.