India's Nuclear Riddle

People and Power investigates whether India is about to escalate its nuclear arms race with rivals Pakistan and China.

Deep in the rural plains of southern India, a mysterious government construction project is under way. Some allege the site will be a top secret "nuclear city", designed to produce highly enriched uranium and allow the country to develop thermonuclear weapons - devices more than 1,000 times more powerful than those detonated over Hiroshima and Nagasaki towards the end of World War II.

In response, India's neighbour and decades-old foe Pakistan has vowed to keep pace and build its own equivalent programme, sparking fears that a new arms race is under way on the sub-continent - a race which could bring the region to the brink of thermonuclear war and threaten the lives and livelihoods of half of the world's population.