The Vivo V15 and Y17 are MediaTek Helio SoC-powered devices. They have been on sale for Rs. 19,990 (US$288) and 17,990 ($259) respectively in India. These prices have been apparently reduced by Rs. 2000 ($29).
https://www.notebookcheck.net/Vivo-V15-and-Y17-receive-permanent-price-cuts-in-India.421573.0.html