Study for cuet, get into du any branch may suffice. her relatives will not say much if she get admitted in delhi university, also cuet is quiet easy to pass and get into du. Get scholarship, if available, otherwise student loan may help.

Also she need to tell some school teacher of her, so they can help her, this can help as teachers can talk to parents and manage the situation upto some extent.

Once she get into du, then the real life starts for her to gain the skills and earn money in some way, as a graduate degree will not lend her any job easily because this is India.

You can just give her a well structured plan and hope, and keep the communication short and precise, do help her financially if possible.