Best monitor for gaming

What GPU do you have?

This is a decent 1080p/144hz panel that is below your budget.

PCPartPicker part list: https://in.pcpartpicker.com/list/QL7V2R
Price breakdown by merchant: https://in.pcpartpicker.com/list/QL7V2R/by_merchant/

Monitor: Samsung - LC24FG70FQNXZA 24.0" 1920x1080 144 Hz Monitor (₹24750.00 @ Amazon India)
Total: ₹24750.00
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2019-02-11 19:04 IST+0530
 
https://www.amazon.in/Acer-KG271-Monitor-ZeroFrame-Speakers/dp/B07K35KLG4/ref=sr_1_8?ie=UTF8&qid=1549891868&sr=8-8&keywords=1440p+monitors+144hz+1ms Here is a good gaming monitor. It is Full HD 240hz high refresh monitor. The only drawback is that it is tn and wont have the greatest viewing angles. Heres an alternative:https://www.amazon.in/AOC-AG241QX-2560x1440-Adjustable-DisplayPort/dp/B01NCTHS6E/ref=sr_1_fkmr0_1?ie=UTF8&qid=1549892521&sr=8-1-fkmr0&keywords=AOC+AGON+AG241QX+24%22+Gaming+Monitor