Mood: The mood of the video appears to be festive and celebratory, evoking feelings of joy and excitement. The theme is centered around Diwali, the Festival of Lights, which is a significant holiday in Indian culture, symbolizing the triumph of light over darkness and good over evil.

Environment: The setting of the video seems to be a digital or animated representation of a Diwali celebration, with a dark purple background adorned with vibrant, glowing lights and intricate designs. The environment is likely to be a virtual or stylized depiction of a festive atmosphere, possibly with elements of Indian architecture or traditional decorations.