Mood: The mood of the video appears to be celebratory and nostalgic, likely a tribute to Ranveer Singh on his birthday. The collage of images suggests a retrospective look at his filmography, highlighting key moments and emotions from his movies. The overall theme seems to be a fan-made compilation or a birthday tribute.

Environment: The setting seems to be a digital platform, likely a YouTube video or a similar online streaming service, given the presence of 'HD VIDEO' and 'JUKEBOX' at the bottom. The environment is festive, with a birthday theme indicated by 'RANVEER SINGH'S BIRTHDAY BASH' written in a playful, celebratory font.