Just look around yourself and how life has become under threat. It is terrorism, communal tensions and class struggles that are going to make life in this country than any of the perceived external threats. Unless we are able to address the problem of poverty, we would be spending all our taxes on ensuring law and order and yet achieve nothing meaningful results. External threat still needs to be met without conventional war. India having nuclear weapons did not stop invaders of Kargil. Why do we want to sacrifice economic progress in the alter of the meaningless pursuit of nuclear weapons
