Mid-air collision of 3 international flights averted over New Delhi!

[KRviator]

Originally Posted by Plumb Bob

The Aviation Herald has one image that shows the positions quite neatly.
Incident: NAC B744 near New Delhi on Dec 23rd 2018, climb without clearance causes loss of separation with two aircraft
The reader's remarks below it (shown in anti-chronological order) strongly suggest what kind of misunderstanding developed resulting in the premature and unauthorized climb by the NCR 840 that created the loss of required separation.

0' vertical and 2.2nm horizontal separation on almost reciprocal headings.