Veteran mountaineer T Ravichandran has been slammed online for failing to acknowledge and being ungrateful to the sherpa who saved him from "death's door" on Mount Everest.

On May 18, it was reported that mountain guide Gelje Sherpa found Ravichandran stuck in the mountain's "death zone", where oxygen is thin and temperatures are below freezing.

Gelje told CNN that when found, Ravichandran was...