New Delhi, March 19 -- An IndiGo passenger has shared his recent experience of having a 'mini heart attack' aboard a Delhi to Lucknow flight when his seat began to violently sway back and forth after take-off.

The passenger, identified as Daksh Sethi, posted a video of the incident on his Instagram account, describing his ordeal in the caption as well as on the video.

The now viral video shows Sethi and two other passengers sitting on a row of seats which suddenly begin to sway.

"Mini heart attack. The first time it happened, it was a terrifying feeling tbh. Never experienced anything like this," Sethi said in the caption.

He praised the crew of the aircraft for shifting him and the other two passengers in vacant seats.

"The seats co...