SAS Nagar (Mohali), June 10 (UNI) Punjab Chief Minister Bhagwant Singh Mann and Aam Aadmi Party national convenor Arvind Kejriwal on Tuesday unveiled 12 new initiatives to boost industrial growth in the stateKejriwal said ''Fast-track Punjab Portal'' has been launched as a Single-window for all approvals. He said though previous governments in Punjab had claimed to start a single window system, all of them had proved a sham.