I won't recommend 1080p monitors at 20k, instead spend a bit more for 1440p 144Hz.
LG 32GK650F is the cheapest VA monitor I will recommend, others are worse, including Samsung Odyssey G5. It sells for 22-23k many times, then card discounts above it. Wait for a few days, see if there are good deals before Christmas.
For IPS, Acer XV272U sells for under 25k many times, is a 27" 1440p 144Hz. Acer VG271U shares the same panel but has non-height adjustable stand.
This Lenovo G27q-20 caught my eye, but not sure how good it is, esp in response times (but should be at least as good as 32GK650F):
*www.amazon.in/Lenovo-Monitor-Compatible-Billion-Colours/dp/B094YCY3L9/?th=1
If its panel is similar to Y27q-20, then a great deal indeed.
LG 32GK650F-B vs Lenovo Legion Y27q-20 Side-by-Side Monitor Comparison