"The arrest were made by raids conducted by police of Giridih, Hazaribagh and Bokaro in Bagodar and Dumri in Giridh," Superintendent of Police of Giridih, A B Homkar, said.
He said police has recovered two fire-arms, five mobile phones and one looted truck from them.
The gang was reported to have looted eight trucks on GT Road and sold them in states like West Bengal and Uttar Pradesh.