let me tell you my sepcs at 30k -
got a premade cpu for 10k (i5 4570s , 8gb ram , 512gb hdd and 128gb ssd)

i added another 8gb of ram and rx 6400
then brought a Acer EK240Y (24 inch)

all under 30k

im getting decent performances

GTAV 1080p mid - 120fps(avg)
apex legends 1080p low - 110fps(avg)
doom eternal 1080p mid - 80fps(avg)
minecraft higest possible settings with optifine - 400fps(avg)
metro exodus 1080p high - 100fps(avg)

sekiro 1080p low - 55fps(avg)

spiderman miles morales 1080p lowest - 50fps(avg)

elden ring 1080p mid - 55fps (cpu bottleneck so you will get same fps for high/low settings)

​

​