A body of an unidentified woman was found, wrapped in a cloth, tied with cello tape, and thrown at Retibunder in Thane district's Mumbra on Saturday, police said.
The identity of a girl is yet to be identified, police said.
According to the police, the age of the woman is said to be between 20 to 25.
Mumbra police have registered the case under the relevant sections.
More details are awaited.
Further investigation is underway. (ANI)