Mood: The mood of the video appears to be celebratory and devotional, with a sense of joy and festivity. The theme seems to be centered around the Hindu festival of Krishna Janmashtami, which commemorates the birth of Lord Krishna. The overall emotion evoked is one of reverence and enthusiasm.

Environment: The setting of the video seems to be a blend of traditional Indian cultural elements and a modern aesthetic. The presence of a statue of Lord Krishna, diyas (earthen lamps), and a peacock feather suggests a Hindu temple or a cultural event. However, the modern font styles and the mention of 'SPECIAL MASHUP' and '4k' suggest a contemporary and digital platform.