Falak Javed was presented before the court after the expiry of her previous remand.
The prosecution requested an extension, informing the court that while the investigation had been completed, preparation of the supplementary challan was in its final stages.
Duty Judge Arshad Javed of the Anti-Terrorism Court heard the matter and approved the 14-day extension of judicial remand.
According to the investigating officer, the accused was involved in the alleged attack on Islamabad police personnel when they arrived at Zaman Park to comply with summons issued to the PTI founder.
The officer told the court that party workers allegedly turned violent during the operation and hurled petrol bombs at police officials, injuring several of them.
The investigating officer further claimed that a petrol bomb was recovered from the possession of the accused.
The case has been registered under FIR at Race Course Police Station.
It pertains to the alleged attack on police personnel during the operation conducted at the residence of the PTI founder in Zaman Park.