HE Chief of the Staff of the Qatari Armed Forces Maj.General Hamad bin Ali Al Attiyah and his accompanying delegation returned to Doha  this evening  from Tunisia. HE the Chief of Staff  and the accompanying delegation were greeted on arrival at Doha international airport by a number of ranking officers of the armed forces. (QNA)    The state of qatar , HE  Chairman Of Qatari Bussinessmen Association (QBA) ponited out has started to apply and put into force the vision of HH the Emir Hamad Bin Khalifa Al Thani for the year 2030 through the implementation of the 2011-2016 strategic plan which calls for achieving real partnership between the public and the private sectors and which aims at diversifying the national economy away from the oil and gas sectors. Elaborating HE Sheikh Faisal Bin Qassim Al Thani made clear that qatar has set forth clearcut goals including the services sector should contribute to by 38% in the state\'s gross domestic product (GDP) by the end of plan. HE the Chairman of Qatari Bussinessmen Association referred to the several investment opportunities available in Qatar in the health, education and modern technology spheres in addition to the good investment climate with the 10% tax rate , the best one in the region to be levied on the income of the foreign companies operating in Qatar.(QNA)