A Microsoft outage has crippled air travel across the world and several airports have suspended operations as airlines struggle to provide services such as online booking, web check-ins and flight status updates. Airlines are now checking in passengers manually and issuing handwritten boarding passes.
Back home, key airports such as Delhi and Bengaluru have been affected, leading to long queues and slow check-ins. Here's what the situation is and how you must prepare if you need to fly today