New Delhi [India], Indigo Airlines has rescheduled and canceled some flights due to Cyclone Ramal and issued NOTAM in Kolkata. Notice to Air Mission (NOTAM) is a message sent by the Federal Aviation Administration (FAA) to pilots to alert them to potential hazards that could affect their flight. The storm is expected to produce maximum sustained wind speeds of 110-120 kmph. There is a possibility of landfall near Khepupara in Bangladesh and Sagar Islands of West Bengal around 11 pm on Sunday with a speed of 135 km per hour. In a statement, the airline said, "Due to cyclone REMAL and NOTAM issued, IndiGo has rescheduled and canceled some flights." Kolkata. Passengers have been informed about all changes in advance and are being provided real-time updates on social platforms. According to the Kolkata Airport Authority, "To avoid inconvenience to passengers due to the cyclone, A total of 394 flights scheduled for arrival or departure, including domestic and international, have been suspended from Sunday afternoon to 9 am Monday. This includes 170 domestic temporary departures and 26 international temporary arrivals, officials said. Said passengers complained that the airlines did not inform them about the cancellation of their flights through email or registered phone number.Some of them demanded hotel expenses and food allowance from the airline, Arnab Tarafdar, one of the relatives of the passenger who had come to the airport to drop her grandmother, Meera Nandy complained that her grandmother, who is an elderly The woman, who was asked to wait and then informed about her flight being cancelled, said, "My grandmother (Meera Nandy) was asked to wait. After some time she was called to the counter and told Told that the flight was overbooked and she would not get a seat as all subsequent flights had been canceled due to the cyclone, now she would have to go back and come again tomorrow. Meanwhile, Airport Authority of India, Agartala said, Arnab Tarafdar while speaking to ANI. It was announced that all flights from Kolkata to Agartala have been canceled till 9 am on 27 May.Passengers are being informed by the respective airlines, while flights from Delhi Bengaluru and Guwahati are currently operating as per schedule, with further updates as Cyclone Remal is forecast. The coastal region of West Bengal, including the city of Kolkata, was significantly impacted.