Devadas performed on the J Mascis + Friends Sing & Chant for Amma album it it appears that J played on his new albums as well.

Music and lyrics by Devadas
Recorded and mixed in 2004 at Bisquiteen in Amherst, MA and in Brooklyn, NY by Steve Revitte.
Devadas- vocals, guitars on “Mata Amritanandamayi”, “Mercy” and “Station”, dotar on “Searchlight/Shine”
J Mascis – drums and guitars on “Mata Amritanandamayi” and “Mercy”

You can get it at CDBaby -> http://www.cdbaby.com/cd/devadas4