Armenian delegation led by parliament speaker Tigran Torosian will depart for Strasbourg to participate in PACE session April 15-18, the RA NA press office reports. The delegation includes chairman of the permanent parliamentary commission for external relations Armen Rustamian, member of the permanent parliamentary commission for financial, budget and economic issues Hermine Naghdalian and head of Adrarutyun (Justice) faction Stepan Demirchian.