The only contestants to have won ₹7 crore on Kaun Banega Crorepati are Achin and Sarthak Narula, who achieved this feat in season 8 of the show.
The Narula brothers, hailing from Delhi, were the first ever contestants to win the highest prize money on the show. They used the money to help their mother who was battling cancer.
The brothers have been praised for their knowledge and their humble attitude towards the show and its host, Amitabh Bachchan. They have also expressed gratitude for the support they received from their family and friends during their journey on the show.