Jaipur: The Border Security Force has arrested an Army auditor from near the border city of Dungargarh in Bikaner after they found him carrying heroin worth Rs 17.5 crore and explosives on Friday. The suspect, Samrath Lal Meena, who had been posted at Suratgarh, was found with more than 3 kg of heroin, while he was travelling by bus from Bikaner to Jaipur.  A search operation conducted jointly by the BSF and police revealed he was carrying explosives and detonators and Rs 35,940 in cash in a bag. oc