[9][10] On 5 August 2005, the show was restarted after a four-year hiatus, and renamed Kaun Banega Crorepati Dwitiya or KBC 2.

It was abruptly ended by STAR Plus after Amitabh Bachchan fell ill in 2006 after he shot his last episode on 13 January 2006.

[14] Star Television recruited Shah Rukh Khan to host the third season of the show when Bachchan declined.

The fourth season (called KBC 4) was hosted by the returning Amitabh Bachchan and started on 11 October 2010.

The new logo designed for the fourth season incorporated the new Indian Rupee symbol, which was unveiled earlier in the year.

[22][23] Much like other countries' version of the game, the clock stops whenever a lifeline is used and if the time limit expired, the contestant was forced to walk away with their current winnings.

This season introduced the "Double Dip" and "Ask the Expert" lifelines (similar to the United States counterpart from the Millionaire clock format).

Also from this season onwards, Fastest Finger First Contestants earlier who used to come for one episode has now been allowed to stay for one week.

Amitabh Bachchan returned to host the fifth season which premiered on 15 August 2011 on Indian Independence Day and ended on 17 November 2011.

Compared to the previous season, there was only one major gameplay change: there was only a single milestone (the Padao) that the contestant chose.

[24] This season introduced a play at home segment called "Ghar Baithe Jeeto Jackpot".

[25] The tagline used for the season was "Sirf Gyaan Hi Aapko Aapka Haq Dilata Hai" (It is only knowledge that gives you your right).

This season, KBC started a new tradition of giving an advantage to socially excluded people, known as "Dusra Mauka" (Second Chance).

(i.e. the player who answered the most questions correctly in the shortest amount of time).The highest winning prize of this season was also ₹7 crore.

The tagline for the season was "Yahan Sirf Paise Nahi, Dil Bhi Jeete Jate Hain" (transl.

Faisal Khan from Sony TV's television series Bharat Ka Veer Putra – Maharana Pratap gave a stellar dance performance.

The tagline of this season was "Jawaab dene ka Waqt aa Gaya Hai" (transl.

The final episode of the season aired on 29 November 2019, which featured Sudha Murthy as the Karamveer Special contestant.

On 2 May 2020, Sony TV released a short video via social media featuring Bachchan, stating that the audition process for season 12 will run from 9 to 23 May.

[48] Season 12 premiere was aired on 28 September, with the tagline "jo bhi ho, har setback ka jawab comeback se do" (जो भी हो, हर सेटबेक का जवाब कमबेक से दो).

The Double Dip and Video Call a Friend lifelines were replaced by Flip the Question and Ask the Expert during the Kids Week specials.

The selected contestants are then brought to the studio to play Fastest Finger First where they will be asked to arrange four answers into the designated order in the shortest amount of time.

In Season 7, contestants would play three questions and the one who answered the most correctly in the shortest amount of time will get selected to sit in the hot seat.

After determining the winner of Fastest Finger First, they would join the host in the "Hot Seat" to start answering a series of multiple-choice questions on their way to win the top cash prize as outlined in the table below.

Neeru Yadav Harshvardhan Navathe became the first top prize winner of KBC when he won Rs.

Ravi Mohan Saini appeared on Kaun Banega Crorepati Junior at 14 and won Rs.

Rupert Murdoch, chairman of Star TV's parent firm News Corporation, in the next month, ordered to change the maximum amount to Rs.

[91] In 2010, after the third season, the show was shifted from Star Plus to Sony Entertainment Television who held the format, as the former did not renew their contract.

[93] The first season started with 22% of viewership garnering 8.96 TVR in the debut week and soon increased to 54% in the last week of July 2000 making it most watched television program and pushing the position of StarPlus to number one for the first time then and also reinvented Bollywood actor Amitabh Bachchan's career.

[113] The ninth season opened with 6.2 million impressions being second most-watched Hindi GEC in urban.