AAP's chief spokesperson Saurabh Bhardwaj said that since the "alleged" incident occurred on the premises of the Delhi Legislative Assembly, "permission from the Speaker is needed before any action is taken".
The woman is a "habitual offender and had registered cases of abuse and molestation against others in the past", he alleged.
AAP MLAs Somnath Bharti and Jarnail Singh, and suspended party legislator Amanatullah Khan allegedly manhandled the woman on June 28.
"The Delhi Police is adopting double standards ... They are not following the rule of taking permission from the Assembly Speaker," Bhardwaj said.
He asked the force whether it took necessary permission from the Speaker before filing the FIR "as members of the Delhi Legislative Assembly and members of the Lok Sabha enjoy the same powers".
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