Key witnesses have turned hostile, accused Dileep has got a gag order, and both the survivor and the Kerala government allege that the trial court itself is biased.
In her plea in the high court, the actress alleged that she was aggrieved by the biased and hostile attitude of the trial court hearing her case.
The court had admitted the prosecution argument that there is prima facie evidence against him in the crime.
Dileep is eighth accused in the case and allegedly masterminded the crime.
Dileep had alleged that the Kerala police's SIT had carried out a "sham, unfair" probe in the case.
In his plea, Dileep had sought access to a memory card with images of the alleged assault.
Superstars like Dileep, Mohanlal, Mammootty have reigned unchallenged in Malayalam cinema for decades.
He left jail amid loud cheers from fans.