The Communist Party of India, CPI today demanded a probe into the assets of all former Chief Ministers of Jharkhand. Addressing a news conference in Ranchi, Senior Party leader Ramendra Kumar said, bureaucrats should also be questioned about their properties. He said corruption charges and recent raids involving former CM, Madhu Koda reveals that natural and mineral resources of the state were exploited. CPI has fielded candidates in nine seats and will campaign for its coalition partners CPIM, MCC, RJD and LJP on other seats.