Migration of a child after separating from mother's Passport

Hi!
Since my daughter was born in Italy,she was included in my carta di soggiorno and was included in my passport as well.And I brought her to Sri Lanka for her studies.And now she's 19 and I made her a separate passport.And she wants to go back to Italy.So even though she's having a separate passport she is still in my carta di soggiorno.So since she's having a separate passport and still included in my carta di soggiorno, can she go back​ with me to Italy from her separate passport and my carta di soggiorno?

Thanks.
Nisha

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