The Calcutta High Court has ordered a CBI investigation into the rape and murder of a doctor at a medical college and hospital in Kolkata. The court has asked the police to hand over all documents to the CBI immediately. The division bench of Chief Justice T.S. Sivagnanam and Justice Hiranmoy Bhattacharya has passed the order. The court was hearing a bunch of pleas including the parents of the victim. It has also placed Sandip Ghosh, former principal of the government medical college, on indefinite leave. Sandip Ghosh was reappointed as principal of National Medical College, Kolkata, by the state government yesterday after resigning from R.G. Kar Medical College.