4K UHD Monitor under 30k to 40k

1. Budget?
30k to 40k

2. Display type and size?
I don't have any idea about type. Preferred IPS. Size: 24" to 28".

3. Primary use of Tv/monitor?
Monitor

4. Ports Required?
I have Sapphire AMD/ATI Radeon Dual-X R9 270X 2GB Graphics Card and planning to use for TV casually along with the monitor. If monitor supports, Picture in Picture, that will be great.

5. Preferred choice of brand?
With maximum warranty or option of extended warranty.

6. Any TV/monitor in consideration?
Buy Samsung LU28E590DS/XL 71.12 cm (28 inch) LED Monitor Online at Low Prices in India - Paytmmall.com
Buy LG 24UD58 60.96 cm (24) LED Monitor Online at Low Prices in India - Paytmmall.com

7. Any other info that you want to share.
My monitor died (AOC 2236vw) and planning to buy 4k monitor. Please suggest a monitor under budget of 30k to 40k.
My PC specs
Processor: Intel Core i7 2600k
Motherboard: Asus P8P67 Pro
RAM: Corsair Vengeance 16GB DD3 1600mhz
Graphics Card: Sapphire AMD/ATI Radeon Dual-X R9 270X 2GB

I primarily use it for development on Hackintosh (macOS Sierra). My bro plays games on Windows.