Hope and fear: India's space revolution

India is revolutionising its approach to space exploration. Science journalist Alok Jha follows preparations for the country’s first human spaceflight mission. For decades, India focused its space programme on limited, inexpensive projects directly benefiting its citizens, such as weather satellites and communications networks. Now, the most ambitious mission yet is underway: India will send humans into space. Alok Jha speaks to people at the heart of this radical shift to understand how it’s happening and what’s driving it. Dr Madhavan Nair, former Chairman of the Indian Space Research Organisation (ISRO) takes us inside the room where it all...