Mood: The mood of the video appears to be energetic and passionate, with a theme of fandom and dedication. The use of bold, red text and the image of a crowd holding signs suggests a sense of excitement and fervor. The overall theme seems to be a tribute to a celebrity or a cause, with the title 'Tu Nahin Samjhega' (You Won't Understand) implying a sense of devotion and loyalty.

Environment: The setting of the video appears to be an outdoor location, possibly a city street or a public gathering place. The presence of a crowd in the background, holding signs and banners, suggests a rally or a fan event. The man in the foreground, with his sunglasses and casual clothing, seems to be a central figure or a leader of some sort.