The CCB started probing the drug menace in the Kannada film industry after a prominent producer shared information about the alleged use of drugs in the industry.
According to the Central Crime Bureau police, Ragini along with four other accused, including a Senegal national, Galrani's friend Rahul Ranka and alleged drug supplier Loum Pepper Samba, were arrested around 11 days ago in connection with a drugs case.
The police said that Galrani and high-profile party planner Viren Khanna will be in police custody for further questioning.
The CCB started probing the drug menace in the Kannada film industry after prominent producer-director Indrajit Lankesh had appeared before the crime branch and shared information about the alleged use of drugs in the Sandalwood, naming 15 people.
Based on the revealations by Lankesh, who is also credited with directing Deepika Padukone in her debut movie in Kannada, CCB sleuths arrested Ravi, who led them to Dwivedi.
Galrani was questioned based on the interrogation of a person named Nayaz. Both the actors have been subjected to a dope test.
Meanwhile, the Enforcement Directorate is also investigating the hawala angle in the drug peddling and substance abuse case.