Vizag Police have speeded up the investigation process of murder mystery of B-Tech student Jyotsana in Lecturer's room in Visakhapatnam. Police have been investigating the case on the basis of postmortem report as it is going to be crucial. Police have once again inspected the room of Lecturer Ankur. The mobile phones of both Jyotsana and Ankur were sent to Lab. On the other hand, the Police have been trying to find out the clue how Jyotsana gained entry into the room of Ankur without his presence.