Amazon : Casio CTK-2550 61-Key Portable Keyboard

https://www.amazon.in/Casio-CTK-2550-61-Key-Por...

Features
If purchased from sellers other than Cloudtail India, the adaptor would be packed inside the keyboard box itself and you do not need to add the adaptor separately to your cart.
Dance music mode with 50 built-in dance music rhythms
Chordata Play app integration
400 tone and 100 rhythms, 48 note polyphony, Step-up lesson system
Comes with app integration/dance music mode

Warranty
Warranty is 3 Years