Site of mausoleum consumed in conflagration (4)

I believe the answer is:

agra

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'site of mausoleum' is the definition.
(the Taj Mahal is in Agra in India)

'consumed in conflagration' is the wordplay.
'AGRA' is hidden within the letters.
But, I'm not sure how this is indicated.

Can you help me to learn more?

(Other definitions for agra that I've seen before include "Taj Mahal city" , "Site of the Taj Mahal" , "Taj Mahal location" , "city founded in 1566" , "Indian masterpiece" .)

I've seen this clue in The Guardian.

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