He was a prominent member of the left wing,[3] activist group of artists, Apotik Komik, operating between 1997 and 2005, creating public artinYogyakarta, Indonesia. The group considered their public art as a tool of social communication.[4] Indratma also co-founded the Jogjakarta Mural Forum, which formed in 2005.
Melayang (Exhibition of comic murals, Yogyakarta, 1997)
Sakit Berlanjut (Public art project with venues in various public spaces of Yogyakarta, 1999)
Les Paravent (Stage artistic for Theater Garasi, Jakarta, 2000)
Galeri Publik Apotik Komic (Founding of a public street gallery for the duration of one year, involving input from six young artists from Jakarta and Jogjakarta, 2000–2001)
Sama-sama City Mural Project (Various public spaces of Jogjakarta, 2002)
Sama-sama / You're Welcome (Indonesian - American Art collaboration between Apotik Komik and the Clarion Alley Mural Project, San Francisco, various public spaces of Jogjakarta, [when?]).
Intersection (San Francisco, 2003)
Gesalt (Gestalt: (n)a configuration or pattern of elements so unified as a whole that it cannot be described merely as a sum of its parts. [where?], 2003)
Art & Peace Project (Collaboration with Haverford college students, Pennsylvania, 2003)
Tanda Mata Mural Art Projects (Workshop mural for 6 slum area in Jogjakarta, including at Fly Over Lempuyangan,[6] 2007–2008)
Kode Post Sign Art Projects (Workshop Sign Art for 12 kampong in Jogjakarta, 2008)
School Art Project (Workshop involving high school students to make sculpture for public spaces, 2008)
