With heightened buzz from India’s nuclear submarine nursery over the imminent launch of the country’s second nuclear-powered ballistic missile boat Aridhaman, we caught up with the journalist who first revealed the contours of the n-sub program and the strategic weapons India is building with it. Here’s India Today executive editor Sandeep Unnithan in an exclusive conversation with Livefist’s Shiv Aroor providing the latest detailed overview of where things stand.