The English word for this is "ashram" (pl. ashrams), a word any reader would find in a good dictionary. The only good reason I can think of for keeping the Sanskrit would be if the subject of the piece were the language itself. If you really can't bear to dump the Sanskrit, write it in italics and follow it with the English word enclosed in brackets. Avoid being a slave to the source text when the opportunity arises for you to do the reader a favour.

Note that the OED gives the original Sanskrit as "aṡrama", the final "a" denoting direction like the French preposition "à" and thus not a mark of plural.

ashram
In India, a place of religious retreat, sanctuary, or hermitage. Hence "ashramite", an occupant of an ashram.
OED

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Note added at 16 hrs (2011-05-30 14:29:33 GMT)
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Martin refers to "standard academic format". In my answer "aṡrama" should have been aśrama", an error caused by some incompatibility between the OED and Firefox. According to the Oxford Style Manual in the tortuous extract below, the English-speaking academic community prefers "ś" and considers "ç" obsolete:

"The transliteration system for Sanskrit adopted by the Geneva Congress is more widely accepted ... Other systems are now generally considered obsolete in the English-speaking world and elsewhere: these can usually be spotted by such conventions as "ç" rather than "ś" (still found on the continent) ..."
Oxford Style Manual