So, I got the Samsung M21. I think it's low on stock, had to ask a friend to keep an eye on it and he ended up ordering it for me as it was going out of stock within minutes.
My mother really likes the display, vibrant and quite bright. She doesn't feel like looking at her old phone now. The phone feels good in the hand, and it looks quite good. Have ordered a case and tempered glass as well, and it would come by the end of the week. Will be able to use it properly then.
I would have suggested for MotO fusion +. Stock Android, super smooth. But yes, the screen is huge, mom would not have liked it. Surprisingly, the camera performance is pretty good considering the price. And massive battery too.