Kolkata: A passenger of a Kolkata-Chennai flight died on Monday due to cardiac arrest at the Netaji Subhas Chandra Bose International Airport. He felt uneasy after boarding the flight and was taken to the medical facility at the Kolkata Airport and later rushed to R G Kar Medical College and Hospital where he was declared brought dead. Sources informed that the passenger, identified as Himangshu Das (30), came to Kolkata Airport from Silchar with two of his family members on Monday morning. He was going to Chennai for medical purpose. Around 3 pm, he along with his family members boarded the Air India Kolkata-Chennai flight. Also Read – Rain batters Kolkata, cripples normal lifeWhen the flight was about to start, Das told his family members that he was feeling unwell and collapsed on the seat. As he became unconscious, his family members immediately informed the flight crew about his health. Without wasting any time, a medical emergency was declared and on-duty doctor was called in. Das was taken to the airport’s medical facility. Later the doctor from the airport authority suggested to admit Das to a hospital. Immediately, an ambulance was arranged and Das was taken to R G Kar where he was declared brought dead. Doctors suspect that Das had a cardiac arrest just after boarding the flight. Due to this, the flight’s take off from Kolkata happened a few minutes later. Police was informed about the incident. Later cops took charge of the body and sent it for autopsy examination.