They have sent a file containing their recommendation to the attorney general, but that official is delaying giving the order to police for her arrest.
Eight bodyguards of the MP were arrested over the abduction, were identified at an identification parade, and were released on bail.
There is opinion that the Defender jeep used by the abductors belonging to Premachandra and the abducted person produced before her are enough reason to arrest her.
The AG has asked television channels to provide him with the CDs containing a media briefing held by the MP over the abduction.
Attempts to speak to solicitor general Gamlath for a comment were unsuccessful, Ravaya reports.