Commission chief Zarina Usmani decided to take up the matter with the police authorities following reports about the crime in a section of the media.
The commission has also written to the District Magistrate recommending adequate financial assistance for the vistim's family.
According to police sources, the minor, who was missing since Monday morning, was allegedly raped and brutally murdered by unidentified persons in the Gomti Nagar area.
IG (law and order) RK Vishwakarma said that an FIR in the case has been registered under Sections 302 (murder) and 376 (rape) of the IPC against unidentified persons.