CHINA yes its the biggest threat india has now and in the near future it has supplied weapons and helped pakistan in nuclear related matters.it's now threatening our entire nation now by supporting the marxist revolutions, its such a sad thing that we had to learn from the chinese about agriculture when we ourselves have so much experience in that matter(Andhra pradesh chief minister going to china for agriculture technology) all he had to do was visit the villages in andhrapradesh.INDIA SHOULD BE