The objective of planning is not to improve the personal relations among the staff.
Planning is a process that involves setting goals and objectives, identifying the resources required to achieve them, and developing strategies and action plans to accomplish them. The primary objectives of planning are to reduce pressure, have good control over activities, and minimize the chances of mistakes. Planning helps organizations to achieve their goals and objectives effectively and efficiently. Improving personal relations among staff is an important part of organizational management, but it is not the primary objective of planning.
Based on the options you provided, the answer is D. To improve the personal relations among the staff.