Are there any fees for Start-up India Registration?

No, the Start-up India Registration process is completely free of cost. However, if you choose to hire a consultant or third-party service, they may charge a professional fee.

You're absolutely right — the Start-up India Registration itself is totally free. But yes, hiring a third-party consultant might come with extra service charges.

By the way, if you're into streaming apps and digital services, check out this Spotify-related app I found — it's super useful and user-friendly:
Spotify Premium APK — for enhanced streaming with no ads and offline listening. Definitely worth exploring if you're building or studying app-based platforms