Inder Singh regularly writes on Indian Diaspora. He is the author of “The Gadar Heroics” – life sketches of over 50 Gadar heroes. He is Executive Trustee of Global Organization of People of Indian Origin (GOPIO) Foundation. He was chairman of GOPIO from 2009-2016, president from 2004-2009, president of National Federation of Indian American Associations (NFIA) from 1988-92 and chairman from 1992-96. He was founding president of Federation of Indian Associations in Southern California.