Hitting hard at the countries who have been blocking the expansion of UN Security Council in both the permanent and non-permanent categories, India on Thursday dared such nations to schedule a straw poll in the UN General Assembly to prove that they have the numbers.

"If there is genuine doubt about the basic premise that most delegations support expansion in both categories, then, my knowledge of mathematics tells me that we should test the hypothesis scientifically," Indian's permanent envoy to the United Nations Hardeep Singh Puri said.