Exclusive: K Sivan, Ex Chairman, ISRO On Chandrayaan-3

Chandrayaan-3, India's third lunar exploration mission, will make India the fourth country to land its spacecraft on the surface of the moon and demonstrate the country's ability for safe and soft landing on the lunar surface. K Sivan, Ex Chairman, ISRO talks about the difference between Chandrayaan 2 and Chandrayaan-3, preparation of Chandrayan-3