Sri Lankan President Mahinda Rajapaksa released his manifesto on Monday, ahead of the forthcoming Presidential election and vowed to fight corruption and bring about development in the country.Addressing a packed gathering in Colombo on Monday morning, the UPFA Presidential contender pledged to build a strong and healthy society.Stating that Sri Lanka was now a nation of one people, the President said he would soon hold the provincial election in the North to give power to the people to administer their needs.An emotional Mahinda Rajapaksa also spoke in Tamil and said that he had destroyed terrorism and brought peace in the country.