Sage seen in retreat in Ramayana (say, Vasishta) (5)

I believe the answer is:

vyasa

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'sage seen' is the definition.
I know nothing about this answer so I can't tell whether this works.

'retreat in ramayana say vasishta' is the wordplay.
'retreat' is a reversal indicator.
'in' says the answer is hidden in the clue.
'asayv' is hidden in the letters of 'ramayana say vasishta'.
'asayv' in reverse letter order is 'VYASA'.

'in' is the link.

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I've seen this clue in The Hindu.

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