Bigg Boss is the Hindi version of the show and the first version of the franchise. The first season premiered in 2006 on Sony Entertainment Television with Arshad Warsi as the host with ₹1 crore (US$140,000) as the prize money. The license for Bigg Boss was acquired by Viacom 18 and the next season was aired on Colors with Shilpa Shetty as the show's host. Veteran actor Amithabh Bachchan was roped in to play host for the third season while Salman Khan appeared as the host m the fourth season. The fifth season was jointly hosted by Sanjay Dutt and Salman Khan while Salman alone continues to host the show consecutively since sixth season till date. A lavish purpose-built house (with annual modifications) at Lonavala, Mumbai was used for the show in the first five seasons while a new house was built house at Big ND Studios in Karjat, Pune for the fifth season. The house at Lonavala was rebuilt and used from the sixth season. The prize has been reduced to ₹50 lakh (US$70,000) from the fifth season. A spin off show — Bigg Boss: Halla Bol — was launched and merged into the eighth season with 5 finalists ('Champions') from eighth season and 5 previous runners-up ('Challengers') which was hosted by Farah Khan. Though the show has largely been a celebrity-only show, it opened the doors for participation by the common people from the ninth season. Atul Kapoor has been the 'voice' of Bigg Boss since the first season.