Realme X smartphone supports fast charging as it has VOOC 3.0 - The mobile phone is powered by 3750mAh non-removal battery. The cell phone price starts from 16,999 onward and it has a few different variants.
Another one is, Realme 3 Pro smartphone, that supports fast charging as it has also VOOC 3.0. The mobile phone is powered by 4045mAh non-removal battery. The cell phone price starts from 12,999 onward as it has a few different variants.
Both the smartphones are good and I would suggest you go with anyone of them.
Also, there are a few smartphones from other brands' that support quick charging too. If you are interested then let me know to update you on this.
Regards,