Mood: The mood of the video appears to be playful and whimsical, with a touch of nostalgia. The theme seems to revolve around childhood and the importance of embracing one's inner child. The overall emotion evoked is lighthearted and carefree.

Environment: The setting of the video seems to be a creative or fantastical environment, possibly a school or a world of imagination, given the presence of a character dressed in a colorful jester's attire and the reference to a popular Indian film 'Taare Zameen Par', which is about a dyslexic child and his journey.