As ISRO prepares for its ambitious Gaganyaan Mission to send an Indian astronaut into space, NDTV caught up with iconic French astronaut Thomas Pesquet who has spent close to 400 days in space on two missions to the International Space Station. Once using the Russian Soyuz and the other on SpaceX Dragon capsule. India's astronaut designates are being trained on life support by the French. NDTV's Pallava Bagla has more details.