India, Aug. 12 -- Amitabh Bachchan-hosted KBC 17 took off on Monday, August 11 at 9 pm and left the viewers surprised with new challenges as the quiz show completed 25 years this year. The show has introduced new lifelines and come up with a concept that is slightly different from all the seasons so far. Here's looking at what's same and what's new...

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Amitabh Bachchan's 'fastest finger first' is not the only challenge anymore. There's a new concept of 'Jaldi Five' added. What does that mean? Two contestants from the Fastest Finger First round have to compete with one another before the lucky one gets o...