Xiaomi is preparing to release another POCO C series smartphone, the successor to last year's POCO C3. The presumed POCO C4 will arrive on September 30, probably for close to the POCO C3's INR 8,999 (~US$125) launch price.
https://www.notebookcheck.net/Xiaomi-announces-the-launch-date-of-its-next-POCO-C-series-smartphone.564313.0.html