Acting on a tip off, a DRI team raided a container truck near Maithi toll plaza on Muzaffarpur-Darbhanga National Highway under Gaighat police station area and recovered the ganja from the truck, a DRI official said.
This was the biggest haul of ganja by any agency in Bihar in the last two years, sources said adding the value of 8.23 quintal of ganja was estimated at Rs 35 lakh in the local market, whereas its value in international market would be around Rs 1.50 crore.
Those arrested have been identified as Desh Raj, Sonu Kumar and Pawan Kumar, all residents of Uttar Pradesh's Firozabad district.
The truck in which the ganja was hidden, was coming from Guwahati and heading for Varanasi when it was stopped at Maithi toll plaza of Muzaffarpur.
With the enforcement of total prohibition in Bihar since April, security agencies have been on extra-alert against such smuggling.