Sainsbury’s has also found a boom in Korean food sales, so much so that it has started stocking products from the Korean brand Bibigo, which specialises in mandu (dumplings), corn dogs and kimchi.

The question was forced on me last week when I was in Mandu, Madhya Pradesh. Mandugarh is memory erased. Wandering its ruins is like attempting to read life in the fragments of an exhumed skull, ...