Amitabh Bachchan had bid an emotional farewell to popular quiz show Kaun Banega Crorepati last year. Amitabh Bachchan returns to host Kaun Banega Crorepati 16 Amitabh's emotional welcome As Amitabh raced to the KBC set as is the ritual at the start of the episode, the studio crowd couldn't help but give a thunderous applause to the legendary actor-host. “I …