Mood: The mood of the video appears to be melancholic and introspective, with a sense of longing. The theme seems to revolve around unrequited love or a complicated relationship, as hinted by the title 'Keh Na Sakoon' which translates to 'Unable to Express'. The emotions conveyed are those of yearning and perhaps regret.

Environment: The setting of the video seems to be an opulent, old-world mansion or a heritage property with ornate archways, chandeliers, and large windows. The interior is dimly lit, suggesting a quiet, private moment between the two characters. The ambiance is intimate and nostalgic, hinting at a deep-rooted connection between the individuals.