Why would Hemraj ask Krishna to bring kukuri? Does it mean murder was pre planned; then what is the motive?
If somebody goes to rape does he go with Kukri?
How can these many people have access to whole house? Shouldn't the parents advice girl to lock the door before sleeping if they know that servant can roam inside the house freely in the night?
If Krishna was involved; he could have easily runaway in the initial days of investigation?
Krishna's other owner some retired Officer told he know krishna from childhood (8years old) and told Krishna never drank? Who is lying here?
There are lot many like these things to be answered by CBI.