Solution
✅ Correct Option: 2
Option 1 -> Principle of harmony of objectives focuses on aligning individual and organizational goals, not about reporting structure. Option 2 -> Principle of unity of command states that each employee should receive orders from only one superior to avoid confusion and conflict. Option 3 -> Principle of appropriateness of direction technique deals with selecting suitable methods of direction based on the situation, not reporting relationships. Option 4 -> Principle of managerial communication emphasizes effective two-way communication between managers and subordinates, not the number of superiors. Hence, Option 2: Principle of unity of command -> This principle specifically addresses that each subordinate should receive instructions from only ONE superior to prevent confusion, conflicting orders, and divided loyalty. Adarsh's action of ensuring single-source instructions directly exemplifies this principle -> correct