Does “caste” fall within the definition of “race” in s 9 Equality Act 2010?

Chandhok & Anor v Tirkey (Race Discrimination) [2014] UKEAT 0190 14 1912 was an appeal against the refusal of Employment Judge Sigsworth to strike out some parts of a claim by Ms Tirkey. She had claimed that the Chandhoks had treated her badly and in a demeaning manner and initially sought “compensation for direct or indirect race discrimination and harassment including injury to feelings” and “compensation for discrimination on the grounds of religion or belief, including injury to feelings…”. She then claimed (by amendment) that her treatment was in part because of her low status which was “infected with considerations of caste”.

The Chandhoks applied to strike out this amendment on the following grounds: