Twenty-Eight passengers were injured after a landing gear problem in IndiGo flight 6E-176 from Mumbai caused thick smoke emission on landing in New Delhi, India, and prompted an emergency evacuation on August 20.
Air Traffic Control (ATC) observed “dense smoke” coming out of the left-side lower portion of the Airbus A-320 after it landed at IGI Airport at about 3:30 p.m.then alerted the pilots and emergency services at the airport. All 154 people aboard the plane were evacuated using emergency slide-chutes.
Twenty-eight of 148 passengers suffered minor injuries during the slide evacuation, while the 6 crew members escaped unhurt.
Aviation regulator DGCA and the airline have initiated investigations. Preliminary investigations revealed that a heavy friction on the left brake assembly of the landing gear caused the smoke.

Pegasus Airlines flight PC-947 made an emergency landing in Zurich, Switzerland, on September 7th.
American Airlines flight 3356 made an emergency landing at Raleigh–Durham International Airport, North Carolina, on April 26th.
Ibex Airlines flight FW-85 made an emergency landing in Fukuoka, Japan, on September 23rd.