Mood: The mood of the video appears to be lively and celebratory, with a sense of excitement and joy. The theme seems to revolve around a wedding or a festive occasion, given the title 'Sallu Ki Shaadi' which translates to 'Sallu's Wedding'. The overall emotion conveyed is one of happiness and revelry.

Environment: The setting of the video seems to be an outdoor location, possibly a street or a public square, with a crowd of people gathered together. The presence of musical instruments, such as drums and horns, suggests that the video may be showcasing a musical performance or a celebratory procession. The urban setting is inferred from the buildings visible in the background.