Mohammed Chowdhury was one of nine al-Qaida-inspired group members sentenced in 2012 for plotting to bomb the London Stock Exchange and build a terrorist training camp in Pakistan.
Eros Media World had agreed to stump up the money to long-suffering investors who bought a bond issued by the Indian group on the London Stock Exchange in 2014.
Shah Rahman, then aged 29, was one of four al Qaida-inspired British extremists who had pleaded guilty to engaging in conduct in preparation for acts of terrorism in 2012.