Here are some of the best gaming mice under ₹4000
Every gamer wishes to have a top-notch setup. A high end PC to play your favourite games on, headphones to hear every little noise, mechanical keyboard and of course, a gaming mouse. Buying these can prove to be an expensive endeavour.
A gaming mouse can help you a lot in gaming, especially while playing FPS games. It may not make you a pro instantly but it will provide a boost and you will notice a difference in-game. Here are some gaming mice that are not expensive and won't be too heavy on your wallet.
Corsair M55 RGB Pro

It's ambidextrous design allows to use this mouse comfortably with either hand using palm grip, claw grip or finger grip. It is a lightweight mouse weighing just 86 grams. Combined with high durability, 50 million click-rated Omron switches and a premium braided cable, it is the perfect mouse for long gaming sessions.
You can purchase the mouse here.
Logitech G 402 Hyperion Fury

When it comes to gaming mouse, Logitech has delivered some of the finest products. The G 402 Hyperion Fury is built with lightweight materials and offers fast response and high speed tracking. 4 DPI options from 250 DPI for pixel-precise targeting to lightning-fast maneuvers at 4000 DPI. 8 programmable buttons are also provided which can be used to personalize according to users liking.
You can purchase the mouse here.
Logitech G 304

It is an ultrafast, lightweight wireless gaming mouse with 6 programmable buttons. Packed with a Next-Gen Hero Sensor for 10x better power efficient over other gaming mice. This mouse a long battery life with 250 hours of continuous gameplay on a single AA battery. It offers superb accuracy thanks to 400 IPS precision and adjustable DPI of up to 12000.
You can purchase it here.
Logitech G502

Equipped with a high performance HERO 16k Sensor which Logitech's most accurate sensor yet with up to 16,000 DPI. 11 customizable buttons with on-board memory. This mouse also features adjustable weight system where you can adjust up to 5 removable 3.6g weights according to your convenience. Customizable lighting options with up to 16.8 million color options.
You can purchase it here.
HyperX Pulsefire Core

A mouse with Pixart 3327 optical sensor and native DPI up to 6,200. Its symmetrical design, lightweight, build and fast response time make it an ideal choice for a gaming mouse. It comes with seven programmable buttons and you can easily customize it with HyperX NGenuity software.
You can purchase it here.