Was actually filmed in Penang, Malaysia and not India.
Dame Julie Walters arrived on-set a month earlier than planned to film the first season, in order to get acquainted with her character and the surroundings.
The series was planned to be a five-season story arc, taking place between the years 1932 and 1947.
The biggest launch for a U.K. drama on Channel 4 in more than twenty years.