HYDERABAD    -   Commissioner Muhammad Abbas Baloch has imposed a ban on construction work around 200 diameters of Sehwan Fort for a period of 90 days with immediate effect. The commissioner also imposed ban on movement of tractors carrying cultivators without tyres and global ploughs on N-55 from Sehwan Railway Crossing to Dadu via Tulti for a period of 90 days with immediate effect. The commissioner asked the Police Stations concerned to take legal action against tractor owners and drivers in case of violation of the orders.