“I stayed quiet initially because obviously a fake video isn’t going to take over my existence but ENOUGH IS ENOUGH," Khan wrote on her Twitter and Instagram handles on Monday.
"Do you think random people can point fingers at me and I’ll sit quietly and take it?” she added.
The 29-year-old then asked Raja to either furnish some sort of a proof within the next three days and publicly apologise or be sued "for defamation".
Responding to the actor, Raja maintains the stance that he hadn't named Kubra, saying she did name him in her post which itself amounted to defamation.
The YouTuber, a self-described analyst, released a video on Dec 31 wherein he made sweeping statements against the former military leadership.
Quoting sources, he had alleged four “top models and actresses” of fraternising with the said officials and politicians. He had mentioned the initials of the four women, as MK, MH, SA and KK, or AK.