All Rail passengers are hereby informed that downloading of Aarogya Setu App on their mobile phone, that they are carrying along, is mandatory. As Airline resume operations, considering the COVID-19 situation, different state governments have laid out their respective protocols for passengers arriving at their airports. Before you travel, make sure to read and understand the complete guidelines of the city/state you are travelling to and comply with the same so as to ease your travel plans. link : https://www.goindigo.in/information/state-regulations.html