Find Phone number, Location Address and all other information of Polytechnic Schools Technical & Trades Karachi YMCA Polytechnic Institute Karachi on Branches.pk, Pakistan’s Largest Branches Directory. You can contact them directly on Phone number +92-21-35688548, or you can visit their location in person, address location is: Near Governor House, Aiwan-e-Saddar Road, Saddar, Karachi, Pakistan..