NEW DELHI: Prime Minister Manmohan Singh made it clear on Monday that a full-scale dialogue with Pakistan on the Kashmir issue would not be possible until Pakistan stopped the export of terror to India.At a joint news conference with US President Barrack Obama, Singh said that India was commited to resolving Kashmir issue. "We are not afraid of the K-word. But Pakistan must first stop the terror machine."Earlier, Obama said that the United States could not impose a solution on Kashmir or other issues in the volatile India-Pakistan relationship "I believe both Pakistan and India have an interest in reducing tensions between the two countries," Obama said when asked about the Kashmir dispute at a press conference after he met Indian Prime Minister Manmohan Singh.But he added: "The United States cannot impose a solution on these problems."Earlier in the morning, the US President said he has undertaken the trip to India to strengthen what is already an incredible friendship that would be one of the defining partnerships of the 21st Century, to build on commercial ties and strengthen cooperation in bilateral relations and international economy. (Read: India is a world power, says Obama) "Given that India is not simply an emerging power but now it is a world power, US and India can work together to promote international principles, rules, relations between nations they can promote peace, stability, prosperity not only for just two nations but for the whole world," he added.The two leaders met for a one-on-one conversation at the prime minister's residence on Sunday evening, ahead of a private dinner. (Read: Pakistan, China top agenda at PM-Obama one-on-one) The meeting focused on the big things that India has been wanting to talk about: maritime security, China, Pakistan, regional security and global geo-politics dominated the conversation.