In a major breakthrough in temple Prasada tragedy in Chamaraj Nagar, in Mysuru, in which 15 people died, a woman called Ambika, wife of one of the trustees, has confessed that she had mixed poison in Prasadam, following the instructions of the president of temple trust. Both have been detained by police and investigation is on. The temple president Immadi Mahadevaswamy, who is also a junior pontiff of Salur Matt in Kollegala in police custody, for investigation.