The grand finale of Kaun Banega Crorepati Season 17 featured host Amitabh Bachchan delivering an emotional speech, becoming teary-eyed as he thanked fans for their support over the years, stating he had spent over a third of his life with the show. Bachchan also made history by singing over 30 minutes of his iconic songs, including 'Rang Barse' and 'Hori Khele Raghuveera.' Comedian Kiku Sharda provided humor, and Bachchan's grandson Agastya Nanda made a special appearance, contributing to a nostalgic and entertaining conclusion.