[Tunis Afrique Presse] Tunis/Tunisia -- The total number of research and exploration permits dropped from 56 in 2010 to 23 by the end of 2020, said Acting Minister of Industry, Energy and Mines Mohamed Boussaid on Thursday during a hearing session held by the Industry, Energy, Natural Resources and Infrastructure Committee at the House of People's Representatives (French: ARP) to examine draft laws on the approval of special agreements and their annexes relating to the extension of the exploitation of the hydrocarbon concessions of Gremda, Maamo