Mood: The mood of the video appears to be nostalgic and celebratory, likely featuring behind-the-scenes content from the iconic Bollywood film 'Dilwale Dulhania Le Jayenge'. The theme seems to revolve around the making of this beloved movie, potentially including interviews, bloopers, or other unseen footage.

Environment: The setting seems to be a mix of on-set footage and possibly some natural or outdoor locations, given the greenery visible in the background. The environment could range from film sets to scenic spots that were part of the movie's shooting locations.