Pta approved phones for 50k-70k

Hello, my teacher wants to upgrade from his Oppo A18 (4/128) to something new which he wants it to be something that doesn't lag.

he first wanted to get an iPhone but I told him how iPhones in that range are old and won't get updates so basically he would be getting a camera, I recommended he get some android such as the Samsung a17 or a26 , or the redmi note 14 or 14 pro if he could increase his budget a little which can all be found here in Hyderabad. but I wanted your advice since most of the phones in this range are basically mid-range. so please help a brother out!!