Honorary Fellow shall be a person of unusual and outstanding professional distinction in Engineering, Research and Development or in the field of abstract or applied science or a person of eminence whose election to the Honorary fellowship is in the opinion of the Council, in the best interest of the Institution and who has made worthwhile contribution in furtherance of the Aims and objects of the Institution. He shall be enrolled on the invitation by the Council of the Institution. Such enrolments shall not exceed two per year.