Mood: The mood of the video appears to be devotional and celebratory, with a sense of reverence and spirituality. The theme seems to be centered around the worship of the Hindu goddess Durga, with the title 'Maai Hai Na' suggesting a sense of devotion and supplication. The overall emotion conveyed is one of piety and joy.

Environment: The setting of the video appears to be a mythological or fantasy environment, with the goddess Durga depicted in a powerful and majestic form, riding a tiger and wielding various weapons. The background features a subtle pattern of the phrase 'Hai Mamaai', which adds to the sense of mysticism and ritual. The presence of the two human figures on either side of the goddess suggests a sense of community and celebration.