Khalid is among the students, who are being looked out by police in connection with an event at JNU against hanging of Parliament attack convict Afzal Guru during which anti- national slogans were allegedly raised.
The varsity's students' union president Kanhaiya is in judicial custody in a sedition case over the incident.
In an open letter to Khalid, Swara who studied Sociology at JNU, has also questioned him for hiding from police saying, that is being taken as the most incriminating evidence of his guilt of being a terror sympathiser.
"I am a JNU alumnus. I spent two years doing my Masters in JNU at CSSS and am now a Bollywood actress. I was never a member of any student political party in JNU though I voted Left. I scoffed and chatted with friends about how silly Democratic Students Union (with which Khalid was formerly associated) still was.
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Swara said she was not even thinking about Khaled as she
"This discomfiture expanded steadily in the coming days as I began to see your name flashing everywhere as the runaway TERRORIST. Your family, I'm sorry to tell you, is being harassed. Your parents and sisters are being threatened in diverse ways....," The "Tanu Weds Manu" star wrote.
"Why did you go into hiding and not surrender to the police? You know that is being taken as the most incriminating evidence of your guilt of being a terror sympathiser, if not a terrorist, right?," she added.