The top court asked the student Mohd Aleem Syed to file an affidavit after visiting his parents.
A special court on Monday refused bail to 14 suspected Islamic State operatives, arrested from across the country.
According to the sources, the agency filed the charge sheet before District Judge Amar Nath.
Eleven suspected ISIS operatives arrested from across the country were today remanded in seven days NIA custody by a Delhi court.
The agency claimed that these accused were trying to "advance the cause of ISIS and establish Caliphate in India".