They are those limitations of planning which arise due to external factors
over which an organization has no control.
1. Changes in Government policies leads to failure of plans.
2. Natural calamities such as flood, earthquake etc. also adversely
affect the success of planning.
3. Changes in the strategies of competitors also lead to failure of
planning many times.
4. Regular technological changes may affect planning.
5. Changes in the Economic and Social Conditions also reduces the
effectiveness of planning