Police were called at approximately 21:45hrs on Saturday, 23 September to junction 24 clockwise, following reports that a Range Rover Evoque had collided with a Ford Focus and Vauxhall Corsa.
Despite the efforts of the emergency services, 60-year-old Mr Dayalan, who was driving the Corsa was pronounced dead at the scene.
A post-mortem examination will be held in due course.
Two other people were injured as a result of this incident.
Detectives investigating a fatal collision on the M25 in Enfield can now name the deceased as Daniel Dayalan, aged 60 from Hayes in Middlesex.
A 55-year-old woman, who was Mr Dayalan’s passenger, was taken to an east London hospital where she remains in a stable condition. Her injuries are not life-threatening.
The 62-year-old female driver of the Ranger Rover was taken to a hospital in Hertfordshire with minor injuries. She was subsequently arrested on suspicion of causing death by dangerous driving and taken to an east London police station where she remains in custody.
The driver of the Focus was not injured.
Detectives from the Met’s Roads and Transport Policing Command investigate and continue to appeal for anyone who witnessed this incident or has information to call the Serious Collision Investigation Unit’s witness appeal line at Chadwell Heath on 020 8597 4874