The solution to the given question involves evaluating both the Assertion and the Reason provided, then determining the relationship between them.
Assertion: Coordination ensures unity of action.
Reason (R): Coordination acts as a binding force between departments and ensures that all actions are aimed at achieving the goals of the organisation.
Analysis:
Conclusion: The correct answer is: Both Assertion and Reason (R) are correct and Reason (R) is the correct explanation of Assertion.