do u all remember what ritu said to huda when she was held captive?
she said the head of all this spy network the person who framed naveen was a very important person and she knew him. that means this concerned traitor has a powerful influence in the armed forces that is why no one suspects him.
ritu must be knowing that raj's mentor is the villain and abhi knows abt raj's mentor. that is why she told huda to ask abhimanyu.
raj 's mentor is a diplomat having great influence in the army. maybe he is the villain. b'coz how else will his entry make sense in the serial?
usually in any mystery the villain happens to be a known person especially by the detective who is trying to find. here since raj is the person who is supposed to find the person who sent ritu to steal triggers it might someone he knows very well in the army - his godfather his mentor. abhi knows him too. and probably naveen knew raj's mentor was the main villain but did not reveal it to raj thinking raj might not believe him. he expected raj to find the truth by himself.
i think this is where the story is heading. naveen trusts abhi that is why abhi cannot be the villain. abhi has got some other important part to play in the whole mystery.
what say guys?