Injuries on both the victims are similar in nature. If one had died silently other would have definitely put up some resistance. If the whole family was drugged why did they kill only daughter and a servant. If killers knew everything in that house, they knew the bedroom on Dr. Talwar as well. Why did'nt they latch their bedroom before they commit the crime? Why didn't they kill Talwars. The forensic study on the house suggests Dr. Talwars' bedroom was open and not closed.
