Capital Development Authority (CDA) invites electronic Expression of Interest (EOI) from consultant firms or consultants registered with Income Tax and Sales Tax Department for preparation of a feasibility study. The study focuses on the regularization and upgradation of illegal schemes and settlements in Islamabad. The selection method is Quality and Cost Based Selection. Interested bidders can access detailed requirements and terms on the E-PADS portal. Submission must be electronic via E-PADS by the specified deadline, with no manual bids accepted. A pre-bid meeting is scheduled prior to the closing date.