The world is today worried about Putin's nuclear plan. Because Russia has the world's most powerful nuclear bomb. During the Cold War era, Russia tested this most powerful nuclear bomb. This atomic bomb is 3333 times more powerful than the atomic bomb dropped on the Japanese city of Hiroshima in America. Russia is omnipotent in terms of nuclear power, while it is said that Pakistan has more nuclear bombs than India. Which country has how many nuclear weapons in the world? Watch this video to know.