Earlier this month, India celebrated its fiftieth year as an independent democratic nation and passed that milestone as one of the world's few nuclear nations. India has pursued the acquisition of nuclear weapons since the 1960s, tested a nuclear device more than twenty years ago, and has developed and deployed two generations of ballistic missiles capable of carrying nuclear warheads. Despite this, Indian leaders for the most part have resisted amassing a nuclear arsenal and becoming a full fledged nuclear weapons power. But now, the pressure to change that policy may be too much to resist. NPR's Mike Shuster reports.