Try googling there are atleast dozen or more games which do this. Certain games do have less detailed assets on consoles which help them to achieve this frame rate. PC will have good details hands down.
Best is to get a LG CX TV, but your budget might shoot. Or wait till HDMI 2.1 monitors become available in India.
To be frank no need to rush, for now get a decent 60hz or 75hz 4k monitor, it is quite sometime when more than 60fps will become a norm in console gaming.
One more thing to point out is the difference in detail quality of 4k@120hz vs 4k@60hz is huge. I have tried it and never go back to some 120hz games. For me games should look good and run smooth, higher FPS is secondary. But it maybe just me.