The American India Public Affairs Committee (AIPAC) said in a statement: "It is about time that India is included as one of the permanent members."
"First in the debates over the Councils reform, India represents developing countries' perspective, and it is supported by wide majority of them and several African countries," said Jagdish Sewhani of the AIPAC.
"Second by any objective criteria, such as territorial size, GDP, economic potential, civilisation legacy, cultural diversity, political system, population and past and ongoing contributions to the activities of the UN, India is eminently qualified for permanent membership," he said.
He said India was one of the 51 members of UN at the time of its formation in 1945 and therefore has long history of engagement with it.
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Membership of the UN Security Council and its working methods do not reflect contemporary realities, Sewhani said.
"Though geopolitics has changed drastically since then, the Security Council has not substantially evolved since 1945 when wartime victors designed a Charter and assigned themselves with permanent seats and vetoes in the Council," he argued.
He said the UNSC has faced "international pressure for substantial reforms since 1991", but still Asia is under-represented while Europe is over-represented.
"It (the UNSC) also lacks representation from developing countries, which make more than half the world," Sewhani said.