No worries, we've got you. Simply follow the next few steps and that should work.
Step 1: Open JioSaavn app
Step 2: Go to “MyLibrary”
Step 3: Tap on “Settings” symbol on top right
Step 4: In Pro Options, tap on “Devices”
Step 5: “Deauthorize” the ones which are not in use
Step 6: Close JioSaavn app and relaunch to set the JioTune.