Bollywood actor Saif Ali Khan has been signed by producer Bhushan Kumar to star in the Indian adaptation of Hollywood romantic thriller 'Before I Go To Sleep', which starred Nicole Kidman and Colin Firth. The film, which is expected to go on the floors in September this year, will be directed by Vipul Shah, who has made films like 'Namastey London', 'Waqt: The Race Against Time' and 'Aankhen'. 'Before I Go To Sleep', which released in September 2014, was based on a book with the same name by author S.J. Watson. Vipul Shah has bought the rights to adapt the film.
