CJI seeks report from SC registry asking why the letter sent by Unnao victim did not reach him

Chief Justice of India (CJI) had sought a report from the Supreme Court registry asking it to file a reply within a week, as to why there is a delay in placing the July 12 letter written by the Unnao rape victim's family before him. 
Medical report of the victim was also sought. Chief Justice of India (CJI) was to hear the Unnao case tomorrow.
The family of Unnao rape victim had written a letter to the CJI saying there was a threat to their lives allegedly by the accused persons in the case.