Mood: The mood of the video appears to be lively and playful, with a sense of romance and fun. The title 'Chintu Hi Ki Toh Lag Gaye' suggests a lighthearted and humorous tone. The overall theme seems to be related to love, relationships, and possibly comedy.

Environment: The setting of the video seems to be a party or a celebration, possibly a wedding or a nightclub, given the formal and semi-formal attire of the individuals. The background is dark with bright lights and a curtain, indicating a lively and vibrant atmosphere.