Rakhi Sawant was detained by Mumbai police on Thursday.
Sherlyn Chopra filed a complaint against Rakhi Sawant under various Indian penal code sections.
Rakhi Sawant reportedly applied for anticipatory bail which was rejected by Mumbai police on Wednesday.
Rakhi Sawant was booked for posting improper pictures and video which went viral.
The dispute between Rakhi Sawant and Sherlyn Chopra has been going on for weeks. The actress and model filed an FIR against each other in November last year.