"emergency-exit-door"

While the flight was landing he tried to open the emergency exit

He tried to open the cover plate of the emergency exit door in a flight

When the crew members asked him to take his seat, Debnath misbehaved with them. The co-passengers alleged that Debnath was under the influence of drugs.

According to the Station House Officer in Phulpur, the man who created the commotion seemed to be mentally-ill.