Find Phone number, Location Address and all other information of Polytechnic Schools Technical & Trades Karachi SMA Rizvi Textile Institute Karachi on Branches.pk, Pakistan’s Largest Branches Directory. You can contact them directly on Phone number +92-21-35076897, or you can visit their location in person, address location is: Plot No. 231, Sector 23, Korangi Industrial Area, Karachi..