Due to recent security alert in the country, Air India has advised passengers to report three hours before the scheduled departure of flight. Its press release said, "In view of the recent security alert, passengers/baggage may have to undergo more stringent checks at airports. To avoid any delays to the flight departures owing to these procedures, Air India has requested passengers to report at the counter well in time for check-in".
Though, the minimum reporting time for domestic flights is 75 minutes and for international flights it is 150 minutes before the scheduled departure of flights, it is advised that to avoid inconvenience, passengers may report three hours before the scheduled departure of flight.
Currently, check-in counters for domestic flights close 45 minutes before scheduled time of departure. For international flights, counters close 60 minutes prior to departure. Counters for flights (both domestic and international) operating from international terminals close 60 minutes before scheduled departure of flight. Boarding gates in both cases close 25 minutes prior to departure.