Overview On **November 6, 2025**, a technical issue arose in the Automatic Message Switching System (**AMSS**) at Indira Gandhi International Airport in New Delhi. The Airports Authority of India (**AAI**) successfully addressed this issue, which had temporarily affected the processing of flight plan messages. This incident underscores the critical importance of robust and reliable air traffic management systems for ensuring aviation safety and minimizing disruptions. Key Developments Immediate Response Upon detection of the problem in the IP-based **AMSS** system, **Shri Samir Kumar Sinha**, Secretary, Ministry of Civil Aviation, convened an urgent review meeting. Attendees included **Shri Vipin Kumar**, Chairman of **AAI**, and **Shri M. Suresh**, Member (Air Navigation Services) of **AAI**, along with other senior officials. Immediate directives were issued to identify and rectify the root cause of the problem. Resolution Efforts The Original Equipment Manufacturer (**OEM**) was engaged to provide expert assistance. Additional manpower was deployed to manually process flight plans, ensuring the continuity and safety of Air Traffic Control operations without disruption. A dedicated team comprising officials from Electronics Corporation of India Limited (**ECIL**) and **AAI** was stationed on-site to oversee system stability and performance. System Restoration The **AMSS** has now been restored to normal functionality. While minor delays in automated processes may persist due to backlogged data, the system is stabilizing, and full normalcy is expected shortly. The **AAI** has expressed regret for any inconvenience caused to airlines and passengers. UPSC Relevance GS3: Infrastructure and Science & Technology This event is relevant to **GS3**, specifically the topics of infrastructure and science & technology. The disruption and subsequent resolution highlight the importance of resilient and technologically advanced infrastructure in critical sectors like aviation. The incident also showcases the role of technology in air traffic management and the need for continuous upgrades and maintenance. GS2: Government Policies and Interventions The government's response to the technical issue, including the involvement of the Ministry of Civil Aviation and the **AAI**, is relevant to **GS2**. It demonstrates the government's role in ensuring the smooth functioning of essential services and its commitment to addressing technical challenges in critical infrastructure. Important Facts The technical issue occurred on **November 6, 2025**. The issue affected the processing of flight plan messages at Indira Gandhi International Airport. **Shri Samir Kumar Sinha** is the Secretary of the Ministry of Civil Aviation. **Shri Vipin Kumar** is the Chairman of **AAI**. Electronics Corporation of India Limited (**ECIL**) played a role in resolving the issue. The **AMSS** has been restored to normal functionality.