The Income Tax authorities on Saturday (November 7) took into possession some files relating to allotment of mining leases since 2004 when Madhu Koda, who is accused of hawala transactions, was the Jharkhand Mines Minister. "We examined some files where mining leases were allotted since 2004," Income Tax Commissioner (Patna), Ajay Kumar told newsmen. Koda, now an independent MP, was Mines minister in the BJP government of Arjun Munda in 2004.