North Korea same reason to keep US and its allies at bay and not so secret support by communist China to this communist nation which it could be used as proxy to engage west by China. Pakistan’s reason is as simple as anyone can think, never do anything which India refuses to do. After Israel, India is the only nation whose standpoint is considered to be reasonable though not accepted in public by any nation. China (PRC) has a grand design for India. With all its might of 1 billion people, the all but one nation which could be come anyway close to a challenger is India. This is not some fantasy. With it demographics, spirit of people, population, support from west (democracy, free nation), success in its diplomacy (this nation had good relation with Iraq and West at the same time, this nation has good relation with Iran and Israel at the same time), blue water navy and its ever expanding might in Indian ocean, technology with right leadership and right will. Hence China follows a policy of containment (Art of encirclement), see what they are doing around India (Pakistan, Bangladesh, Nepal, Myanmar, Srilanka). Now India has to answer these. India (with support of West) is learning the Art of bigger encirclement (India, Singapore, Australia, Japan, South Korea and the US). With China having a dirty design for India, India has to have the least possible deterrence. Otherwise China will drag and get the soul out of India any day without any thought. This is w