A fraud of around Rs 30 billion in Islamic investment system of Mudarba and Musharaka has been committed by the Elixir Group of Companies, reveals an investigation by National Accountability Bureau. The fraud, which has victimised over 35,000 people across the country, was committed by a group of so-called Islamic scholars through a large number of mosque imams, seminary managers, madrassa students, their families, relatives and acquaintances. The scam planners are all settled abroad and most of them have dual nationalities, according to a NAB officer who is close to the investigation process.