Are you also thinking of buying a new phone for less than Rs 20,000? OnePlus Nord CE 4 Lite 5G can be a good option

50 MP + 2 MP Dual Rear Camera 1080p @ 30 fps FHD Video Recording 16 MP Front Camera

6.67 inch, IPS Screen 395 ppi Support sRGB, Display P3, 550 nits 120 Hz Refresh Rate, 380 Hz Touch Sampling Rate Punch Hole Display

Qualcomm Snapdragon 8s Gen3 Chipset Octa Core Processor 8 GB RAM + 8 GB Virtual RAM 128 GB Inbuilt Memory Memory Card (Hybrid), upto 1 TB

Talking about its battery, it has a 5500 mAh battery 80W fast charging reverse charging