India News: The CBI said it filed a case on Tuesday against Jindal Steel and Power Ltd. over coal mining rights, a new setback for the ruling party amid a series of corruption scandals.<br /><br />Shares in Jindal Steel, which is controlled by Naveen Jindal, a member of parliament for the ruling Congress party, dropped 15.4 percent.<br /><br />The Central Bureau of Investigation raided Jindal's house on Tuesday, media reports said.