[2] During the launch on 3 October, fourteen hand-picked housemates[3][4] entered the house located in Lonavla, a hill station, about 100 kilometres east of Mumbai in the Indian state of Maharashtra.
The housemates, considered strangers to each other, spent 96 days (14 weeks) locked up together under the supervision of 32 cameras fitted around the house.
[5] Four of the housemates, Ashmit Patel, Dolly Bindra, The Great Khali and Shweta Tiwari, reached the final week, facing public vote.
[12] Salman Khan presented the show on the weekends where a segment called 'Bigg Boss - Aapka Farmaan' was introduced and broadcast every Friday (eviction night) and Saturday.
[14] In September 2010, Kelly Brook rejected the show and was replaced by Veena Malik, who was confirmed last minute.
Color Key Bigg Boss 4, a mobile video game based on the fourth season was released by Indiagames.