You might have difficulty finding a 5G phone with all the major telecom companies in India launching 5G.
The OnePlus nord 2T 5G was announced in May of this year. It is among the top phones in the sub Rs 30,000 range.
OnePlus Nord 2T 5G
The Opporeno8 was released in July. It is a decent phone with ColorOS 12.1 that's based on Android 12.
The Motorola Edge 30 phone is a mid-range handset with a 6.5 inch AMOLED screen, HDR10+ support and a refresh rate at 144Hz.
Galaxy A52s 5G is the successor to the Galaxy A52. It features an upgraded Snapdragon 778 processor
The Xiomi 11i Hypercharge was launched earlier in the year. It is powered by MediaTek Dimensity 920 chipset
The Poco F4 is a budget-friendly phone in the sub Rs. 30,000 range. The Snapdragon 870 powers the Poco F4.