Riga Sugar Company Limited    A flagship company of DHANUKA GROUP .It’s one of the prominent Industrial Enterprises in Bihar. Its allied business consists of manufacturing  of Sugar( 5000-TCD), Ethyl Alcohol ( 50 KLPD), Ethanol( 45 KLPD)Organic Manure, Harabhara Fertiliser (NPK) , Organic Booster and Captive Power.