If an artist wants to distribute their music digital platforms like Gaana , Saavn, iTunes, etc. they have 3 options:
Option1: That they sign up with a label, which makes them surrender all their rights, get them under a time bound contract and charge them of money.
Option 2: The artist approaches all the stores personally, tries to complete all the technical, financial and other requirements, which will cost them a lot of money and time. Even so, it is not necessary that the stores will promote the artist, as it is practically impossible for the stores to work with every individual as well.
Option 3: Stop troubling yourself and sign up at Deliver My Tune, get worldwide music distribution on all the stores without getting into a label.