1) Fossils (Bengali: ফসিলস) is a Bangla Rock band formed in Kolkata, West Bengal, India in 1998. The group is considered one of the pioneering rock acts in Kolkata's Bangla music scene. The band is currently composed of Rupam Islam (lead vocals, lyricist), Deep Ghosh (guitar, backing vocals), Allan Ao (guitar, backing vocals), Chandramouli Biswas (bass, backing vocals), and Tanmoy (drums, percussion). They are noted for their social commentary and advocation of causes such as the welfare of HIV positive people.