Byju's Learning App has been delisted from Google Playstore due to non-payment of dues to its vendor Amazon Web Services.AWS has been trying to resolve payment issues with Think and Learn, the company operating under Byju's brand, since April last year.The app remains available on Apple's App Store, while Byju's Premium Leaning app and Byju's Exam Prep app are still available on Google Playstore.The National Company Law Appellate Tribunal has initiated insolvency proceedings against Byju's based on appeals by various investors.