Although it actually depends on your daughter's interests and career goals, I would say choosing CSE at IIIT Hyderabad was a smart decision indeed unless she has a specific inclination toward Electrical Engineering.
IIIT Hyderabad CSE can be highly compared to the CSE programs of the top 6 IITs. It has a highly updated and relevant curriculum that is CS tailored to suit the needs of future coders. Moreover, the institute focuses a lot on practical learning which prepares them for the future. IIITs are undergoing fast-paced development and might take over the IT world very soon.
Another aspect that makes IIIT Hyderabad a better choice than IIT Roorkee is its no-reservation policies. The students here are admitted solely based on merit so you will always be surrounded by geniuses.
So yes the IIT tag matters but not more than our branch preferences, and that being said, IIIT Hyderabad is the best for CSE so your daughter has made a wise decision!
Yes, your daughter has definitely done a good job by choosing IIIT Hyderabad CS instead of IIT Roorkee Electrical. Here are a few reasons why
I personally think your daughter has made a wise decision, unlike the sheep mentality that people have who go blindly for IITs just for the tag.