The Supreme Court today dismissed a plea challenging the anticipatory bail granted to three trustees of the Ryan International Group in connection with the killing of a student in the Gurgaon school premises.A bench of Justices R K Agrawal and A M Sapre said the petition is dismissed.<br/><br/>The court had earlier reserved the order on the plea of the father of the 7-year-old boy, Pradhuman, challenging the anticipatory bail granted to the trustees of the group. Pradhuman, a Class II student, was found with his throat slit in the school washroom in Gurgaon on September 8. The case was transferred to the CBI and the agency had apprehended a Class 11 student in connection with the killing.