The Indo-US nuclear deal is essentially a diluted version of the Nuclear Non-Proliferation Treaty which India, under both Congress and BJP governments, has refused to sign since the 1970s. Why? Because the NPT is deeply biased in favour of the five original nuclear "proliferators" -- the US, Russia [Images], Britain, France [Images] and China. It unjustly ties the hands of a responsible nuclear power like India which uses nuclear technology to run its civil reactors as well as maintain a minimum credible nuclear deterrent.