Achin and Sarthak Narula both appeared as contestants on Kaun Banega Crorepati on October 7-9, 2014 and won 7 crore making this the first and so far the only 7 crore winner.
| 50,00,000 Crore (11 of 14) - Not Timed | |
| Which of these scientist has not won two Nobel Prizes? | |
| ⬥ A: State Bank of India | ⬥ B: Reserve Bank of India |
| ⬥ C: Central Bureau of Investigation | ⬥ D: New Delhi as India's captial |
| 1 Crore (12 of 14) - Not Timed | |
| Who piloted the first commercial civil aviation flight that took place in India, with the first airmail service in the world? 'Phone a Friend' lifeline used | |
| ⬥ A: Neville Vincent | ⬥ B: J R D Tata |
| ⬥ C: Henri Pequet | ⬥ D: Maurice Guillax |
| 3 Crore (13 of 14) - Not Timed | |
| Which of these scientist has not won two Nobel Prizes? 'Ask the Expert' lifeline used | |
| ⬥ A: John Bardeen | ⬥ B: Frederick Sanger |
| ⬥ C: Linus Pauling | ⬥ D: Niels Bohr |
| 7 Crore (14 of 14) - Not Timed | |
| Who commanded the 'Hector', the first British trading ship to land at Surat? 'Double Dip' lifeline used | |
| ⬥ A: Paul Canning | ⬥ B: William Hawkins |
| ⬥ C: Thomas Roe | ⬥ D: James Lancaster |