AHMEDABAD: The president of the Congress party has approved the appointment of presidents and working presidents of 12 cities and districts in Gujarat, a party statement said on Thursday. Presidents and working presidents have been appointed for Gandhinagar city, Sabarkantha, Surat district, Surat city, Porbandar district, Mehsana district, Valsad district, Kutch district, Bhavnagar city, Bharuch district, Bharuch city and Aravalli district.