I have bought Realme C1 for my grandmother a month ago. So far I have not seen any issues with it. It has a notch display at a price point of Rs 7500 which is fabulous!
The sound and camera quality is also good and it comes with dual rear camera which works quite well for portrait shots.
However I would not suggest user to buy this product now as realme has launched C2 which has a better display as it even cheaper than this.