When it comes to finding the best neckbands under 2000 Rs in India, there are several options available from various brands. Here are some highly recommended neckbands within this price range:

1-OnePlus Bullets Wireless Z2 ANC Earphones with 45dB Hybrid ANC Bluetooth Headset (Boomin Black, In the Ear) – 1999 rs

45dB Hybrid Active Noise Cancellation combines both FeedForward and FeedBack microphones to maximize frequency range of noise
A large 12.4mm dynamic driver can bring deeper bass and powerful beats.
The advanced 3mics AI call captures and amplifies human voice befittingly when calling by strengthened.
The flagship-level battery life delivers up to 28 hours of non-stop music on a single charge with ANC Off.

2- Realme Buds Wireless 3 with 30dB ANC, 360 degree Spatial Audio, upto 40 hours Playback Bluetooth Headset - 1599rs

· With Mic:Yes

· Battery life: 40 hrs

· 13.6mm Dynamic Titanized Bass Driver

· 30dB ANC with 360 degree Spatial Audio Effect | realme Link App Connectivity

· Upto 40 Hours Battery Life | Fast-charging support of 10 min charging for 25 hours playback

· 45ms ultra-low latency | Bluetooth 5.3 | IP55 Dust and Water Resistance· Dual device Connection with Google Fast Pairing· .

3- boAt Rockerz 255 ANC(32dB) w/ 100 HRS Playback,ASAP Charge,Spatial Audio,AI ENx Tech Bluetooth Headset- 1899rs

· With Mic:Yes

· 100 Hours of Extensive Playtime & ASAP Charge: 10 Mins Charge= 24 Hours Playback

· Spatial Audio by boAt

· 32dB Active Noise Cancellation

· Dual EQ Modes: Spatial Audio & boAt Signature Sound

· 13 mm High Fidelity Drivers

· BEAST Mode: Low Latency for Gaming

· 3 Mics AI-ENx Technology: Clear Voice Calls

· Magnetic Power Buds: Separate buds to Power On|Unite Buds to Power Off & Google Fast Pair Service .

4- CMF by Nothing Neckband Pro 50dB Active Noise Cancellation, Smart Dial Design, 37 Hrs playtime Bluetooth Headset – 1999 rs

· With Mic:Yes

· Bluetooth version: 5.3

· Wireless range: 15 m

· Battery life: 37 hr

· 50 dB Active noise cancellation

· Smart Dial Design

· 13.6mm Driver with Ultra Bass technology

· Spatial Audio

· Clear voice technology with AI Noise cancellation· 10 minutes of charging= 18 hours of playback· .

5- boAt Rockerz 333 Pro with 60 Hours Battery Bluetooth Headset- 1799rs

With Mic:Yes
Bluetooth version: 5.2
Wireless range: 10 m
Battery Time: 60 Hours
ASAP Charge: 10 Mins= 20 Hours
ENx Technology: Be Clearly Heard
IPX5| Dual Pairing

Please note that the prices mentioned in the search results are subject to change, so it's always a good idea to check the current prices before making a purchase. Additionally, it's recommended to read customer reviews and compare features to find the neckband that best suits your preferences and requirements.