Four Indian expats, three men and one woman who allegedly dealt in drugs and psychedelic substances, are set to learn their fate later this month, with a verdict scheduled for March 25.The suspects include a 26-year-old salesman from Gudaibiya, a 21-year-old labourer from Aali, a 26-year-old labourer from Salmabad and a 39-year-old female accountant whose address was not revealed .