The court sent both of them to a remand home, since they are minors.
The mother's body was allegedly thrown into the Kasara ghat ravines on July 2, after being stabbed and strangulated with a rope.
The duo allegedly murdered the girl's mother after she opposed their affair.
The boy allegedly stabbed the girl's mother in the stomach, when she was asleep, while the girl pressed a pillow to her mouth.
Later, both allegedly strangulated her neck with a rope, and after her death, wrapped body in a bedsheet, threw in into the ravines.
After returning home, the girl allegedly lodged a complaint at the Bhadrakali police station here, that her mother was missing.
Later, her mother's body was found and the girl confessed her involvement in the murder, police said.
