Mood: The mood of the video appears to be lively and energetic, with a theme of showcasing popular Bollywood songs from 2018. The overall emotion evoked is excitement and entertainment, suggesting that the video is a fun compilation of catchy tunes.

Environment: The setting of the video seems to be a glamorous and vibrant one, likely a music festival, concert, or a celebratory event. The background and the images of the performers suggest a lively atmosphere with bright lights and a dynamic crowd.