Bhattacharya's originality as a musician has earned him global attention. He invented his own slide guitars, unique to his compositions, which he calls the "Trinity of Guitars". These hollow-neck instruments are the 24-string Chaturangui; the 14-string Gandharvi; and the Anandi, a 4-string
lap steel ukulele. Bhattacharya opened a nonprofit School of Universal Music in Kolkata, where he estimates he has taught hundreds of students from all over the world the principal universal form of Indian Raga music and specialised guitar techniques. Among his most popular albums are 2003's
Mahima with
Bob Brozman and 2005's
3: Calcutta Slide-Guitar, both of which are on Riverboat Records and ranked in the top 10 of the Billboard World Music Charts. He was nominated for a 2009
Grammy Award in the category of
Best Traditional World Music Album for
Calcutta Chronicles: Indian Slide Guitar Odyssey. His other albums worth mentioning are Young Master Music Today 1992, Hindustani Slide Guitar album 1993–1997 three albums from India Archive Music Records. Hindustani Slide Guitar Vestapole Video 1994. Madeira – If Music can intoxicate 2013. Bhattacharya recorded his first Global Fusion album in 2012,
Beyond the Ragasphere, featuring John McLaughlin, Jerry Douglas, and his daughter Anandi Bhattacharya. In 2015. He released
Slide Guitar Ragas From Dusk Till Dawn. His hybrid Indian-Hawaiian music album,
Hawaii to Calcutta: A Tribute to Tau Moe, was chosen as one of the ten best albums in 2017 by Songlines magazine. In 2018 he produced his daughter Anandi's first music album,
Anandi Joys Abound. Also in 2018, he released
Joy! Guru, an improvisational collaboration with Polish jazz musicians Hubert Zemler (drums) and Wojtek Traczyk (double-bass) recorded during a single all-night session. His newest creation Pushpa Veena (2019) is another surprise to the music world. First ever slide instrument with Hide on top. In 2021, Bhattacharya contributed to the Outlaw Ocean Music Project, in which musicians are invited to create works inspired by the book
The Outlaw Ocean; his album is called
Tormented Souls at Sea. 2016–2021 Bhattacharya has written the first ever syllabus on Slide Guitar. 2022 TransGlobal World Music Chart valued Bhattacharya's artistic and musical contributions for Hall of Fame of world music. A Lifetime achievement award. 2023 January Debashish has released his new album The Sound of the Soul from John McLaughlin's label Abstractlogix ==References==