Mood: The mood of the video seems melancholic and contemplative, with a sense of longing. The title 'Keh Na Saka' translates to 'Could Not Say', which suggests a theme of unexpressed emotions or regret. The overall emotion conveyed is one of introspection and possibly heartache.

Environment: The setting appears to be a snowy forest, with the sun peeking through the trees, casting a warm glow. The background is blurred, focusing attention on the protagonist. The snowy landscape and the protagonist's winter attire suggest a cold and serene environment, which contrasts with the emotional tone of the video.