Hello Sanjyan,
Welcome to Apple Support Communities. It looks like you're having issues with Apple Music telling you that this content is available only on Sri Lankan store. We definitely want you to enjoy your music, and we'd be happy to look into this with you.
To get started, let’s gather initial details in order to get started:
- Does this behavior occur with all songs, or specific songs?
- What is your iOS version is installed on your iPod? Find out by navigating to: Settings > General > About.
Next, make sure your device is up-to-date on software. When you navigate to: Settings > General > Software Update do you see any available updates?
If so, please back up your iPhone, then update as explained in the following links:
How to back up your iPhone, iPad, and iPod touch
Update your iPhone, iPad, or iPod touch
We look forward to hearing from you soon.