The Treaty also bans any transfer or use of nuclear weapons or nuclear explosive devices — and the threat to use such weapons.
China has 320 nuclear warheads this year as against 290 in 2019 and Pakistan has 160 which were between 150 to 160 in the year 2019.
Kwon doubled down on that position in Saturday's statement, saying North Korea 'will continue to build up our force in order to overpower the persistent threats from the United States'.
The decision to conduct tests was taken by Vajpayee's predecessor P V Narasimha Rao, but could not be executed as he lost the 1996 polls.
In a speech to students at Geneva University, Antonio Guterres presented a new disarmament agenda to face challenges emerging in a world where "Cold War tensions have returned."
North Korea has justified its nuclear strategy citing the presence of nearly 30,000 US military personnel in South Korea.
South Korean delegation heads to Pyongyang to push for talks between US and North on nuclear weapons
An intense rapprochement saw the two rivals march together at the South's Pyeongchang Winter Olympics last month, with North's leader Kim Jong Un sending his sister as a special envoy to the event.
The United States is now closer than it has ever been to a nuclear war with North Korea, a former top US military officer warned Sunday, saying he saw little prospect of a diplomatic solution.
Pyongyang dramatically ramped up its efforts to become a nuclear power in 2017, despite a raft of international sanctions and increasingly bellicose rhetoric from the United States.
South Korea announced new unilateral sanctions against Pyongyang a day before US President Donald Trump arrives in Seoul on an Asian tour dominated by the North's nuclear programme.
Tensions have dramatically risen on the Korean peninsula after North Korea conducted its biggest nuclear test in September.
President Donald Trump today warned that "no dictator" should underestimate the United States, in a thinly veiled reference to North Korea, which is likely to dominate his Asian tour.
By the close of business Friday, Trump is expected to declare that a landmark agreement curbing Iran's nuclear program is no longer in the US interest.
ICAN, the International Coalition to Abolish Nuclear Weapons, won the Nobel Peace Prize on Friday for its decade-long campaign to ban the estimated 15,000 atomic weapons around the world.