Deprecating the "different yardsticks" in dealing with global terrorism which has assumed war-like proportions, Prime Minister Narendra Modi today said collective pressure should be put on states to deny sanctuaries and support to terrorists, a statement seen as a veiled reference to India's neighbourhood.In his first multilateral engagement with world leaders,Modi addressed the sixth summit of BRICS nations in which hemade it clear that terrorism in any form was against humanityand there should be zero-tolerance against it.He said the menace has assumed war-like proportions and called for early adoption by the UN of the draft comprehensiveconvention on international terrorism. "We must also put collective pressure on states to deny sanctuaries and support to terrorists," he said in his first major speech at an international forum in which he also referred to international hot spots like Iraq, Syria and Afghanistan.