A special court on Wednesday ordered further investigation in a coal block allocation scam case, involving Vikash Metals and Power Limited and its officials, in which the CBI had filed a closure report.

Special CBI Judge Bharat Parashar directed the CBI to file a further progress report of the probe and fixed the case for 10th of the next month.

It said, copy of the order should be sent to CBI Director Ranjit Sinha and DIGs who are supervising all coal scam cases.

The court also told investigating officer that the further report should be thorough and the agency should also give proper reasons in support of the conclusion drawn in the report. During the last hearing on 30th of September, the court had pulled up the CBI officers for the way they handled the probe in a coal blocks allocation scam case, saying the agency's officers lacked basic skills of investigation.