The police found around $1 million and two gold plates during vehicle checking, which has been stepped up in view of the upcoming elections in the state, late Wednesday night, Superintendent of Police Kumar Ashish said.
The police also seized three SIM cards, five ATM cards, one PAN card and one motor-cycle from their possession, he said.
Two persons -- Manish Kumar, a resident of Rattan Patti village of Murliganj police station of the district and Nand Kishore Kumar, a resident of Bhangaha village of Purnea district, have been arrested and sent to jail.
The SP said that the group is operating through Nepal borders and the money might have been brought for elections in the state.