KARACHI (Asad Ibn Hassan) Sindh Industrial Trading Estate Limited (SITE) Hundreds of plot holders of all estates i.e. Site Karachi, Site Super Highway, Nooriabad, Kotri, Hyderabad, Tando Adam and Sukkur were issued notices a week ago warning them that if they do not start construction work on their plots within 30 days, their plots will be canceled without further notice. But now these notices have been canceled due to severe pressure.