On a warm November evening in 1996, in the rural farmland not far from Delhi, the remains of two aircraft plummeted from the skies. The collision which caused them to fall is still the deadliest mid-air collision in history.

Videos:

• Mayday/Air Crash Investigation episode on Charkhi Dadri collision

• Disaster Breakdown: The Charkhi Dadri mid-air collision

• Remains of Charkhi Dadri mid-air collision

• "Head On"

Articles and books:

• Accident report

• Human error is blamed for crash

• At Least 349 Are Killed in Collision

• Indian Officials Gather Evidence on Midair Collision

• Haryana's Charkhi Dadri plans a memorial for 1996 mid-air collision victims