The ED on Wednesday conducted raids at 17 places in Jharkhand, Bihar, Tamil Nadu and Delhi NCR in connection with illegal mining, money laundering and suspected criminal nexus between the Jharkhand administration, businessmen and politicians.The ED on Wednesday conducted raids at 17 places in Jharkhand, Bihar, Tamil Nadu and Delhi NCR in connection with illegal mining, money laundering and suspected criminal nexus between the Jharkhand administration, businessmen and politicians.