Full form of ADC is Aide-de-camp

An aide-de-camp is a military officer acting as a confidential assistant to a senior officer. This role is traditionally found in military settings, where the aide is responsible for helping their superior with a variety of tasks, ranging from administrative duties to personal support. The position is one of trust and requires a high degree of discretion and efficiency. An aide-de-camp often accompanies their superior on official duties, ensuring that logistics run smoothly and communication is effective. This role is crucial in maintaining the flow of operations and allowing senior officers to focus on strategic responsibilities without being bogged down by day-to-day details. While the term originates from the French military, it is widely recognized and used in various armed forces around the world.