Six murders have been registered against Mallika at different police stations in Bangalore Rural District, Tumkur and Hassan.

Six police stations - Madivala, Rajajinagar, Jnahabharati, Hebbagodi and Mico Layout - where missing complaints have been lodged, will apply for the body warrant to secure her for investigations.

During interrogation, Mallika had told Kalasipalya police she had killed five women in Madivala, Rajajinagar, Jnahabharati, Hebbagodi and Mico Layout.

Kalasipalya police arrested Mallika on December 31 in connection with a murder case.

On questioning, she admitted to thrusting cyanide into the mouth of her victims.

She has said she murdered them for gain.