According to the airline, a passenger onboard the flight developed a medical complication. The pilot decided to divert the flight to Karachi, which was the closest airport, in order to provide the passenger with immediate medical assistance.
The cabin crew went to check on him when all the passengers deboarded the plan after landing in Chennai except Dhanasekaran. They tried to wake him but found him to be unconscious
The IndiGo plane flying from Varanasi with 160 passengers onboard made an emergency landing at Delhi Airport due to a technical glitch with the aircraft.