PATNA, March 30 -- A designated CBI court in Ranchi awarded three-year rigorous imprisonment (RI) on Saturday to former Bihar minister (undivided Bihar) Mohd Ilyas Hussain and four others--Shahabuddin Beg, Pawan Kumar Agarwal, Ashok Kumar Agarwal and Binay Kumar Sinha-- in a 29-year-old bitumen scam case....