Nowadays, learning anything is possible. You can visit the youtube and search singing tutorials you will get a lot of videos through which your daughter can learn. Apart from that due to covid situation there can be some teachers in your region who can offer online tutorials for singing. This is a co-curricular way of learning.

Now if your daughter want to learn music as a academic career then you can admit her for courses like B.Mus , BA Music etc. This courses are all about the academic and foundations of singing and methodology of music. Also some of the states may have vocational certificate programs through which your daughter may earn certificate of merit for her interest in singing.

Also, there are some school of music which offers courses in professional singing like Calcutta School of Music etc. So if you have such institutions in your state you can follow that.

So this are some of the ways you can prescribe your daughter to go with.

To know more about the Music Courses visit the link provided below:

https://www.careers360.com/courses/music-course

I hope my answer helps. All the very best for your future endeavors!