"The problems of over a billion people living in abject poverty around the world need to be attacked more directly," Singh said in his address to the UN General Assembly.
Poverty remains a major political and economic challenge and its eradication requires special attention and a new thrust, he said.
"This priority should anchor the post-2015 Development Agenda, which should be shaped by the member states so that it enjoys the broadest possible support and acceptance," Singh told the international leaders at the UN headquarters in New York.
"But we will fall short of realising an ambitious post- 2015 development agenda if we focus merely on governance issues at the cost of robust economic growth," he noted.
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Stressing that countries need the policy space necessary to set their own domestic priorities, Singh said no one knows the condition of developing countries better than the developing countries themselves.