Possible interpretations:
* "Illa" could be a variation of "illahi" (इल्लाही), which means "divine" or "Godly" in Hindi.
* It could be a mispronunciation of "ila" (इला), which means "treatment" or "cure" in Hindi.
* It could be a word from another language that is being used in a Hindi context.
If you provide more context, like the sentence where you encountered this word, I might be able to give you a more precise answer.