Power to deal with defectives at instance of parent or guardian

The parent or guardian of a defective who is an idiot or imbecile, and the parent of a defective who though not an idiot or imbecile is under the age of eighteen years, may place him in an institution or under supervision or guardianship, Provided that he shall not be so placed in an institution or under supervision or guardianship, except upon certificates in the prescribed form signed by two duly qualified medical practitioners, one of whom shall be a medical practitioner approved for the purpose by the Minister and, where the defective is not an idiot or imbecile, also signed, after such inquiry as he thinks fit, by a judicial authority for the purposes of this Part, stating that the signatories of the certificates are severally satisfied that the person to whom the certificates relate is a defective and the class of defectives to which he 20 belongs, accompanied by a statement, signed by the parent or guardian, giving the prescribed particulars with respect to him.