The segment under Rs 20,000 is now one of the most important for handset manufacturers. This was not always the case, as players used to either focus on the market under Rs 15,000 or above Rs 25,000.
The Moto X Play (featured below) is one of the first phones to offer great phones under Rs 20,000. Read on to find out what are the other noted smartphones in this price bracket.
The Lenovo Vibe P1 is here because of its mammoth battery life. It looks terrific in other areas too. To start with, the Vibe P1 offers a 5.5 full inch HD IPS display with Corning Gorilla Glass 3. The phone runs on Android Lollipop, and has the octa-core Snapdragon 615 (1.5 GHz) processor, which runs with 2 GB of RAM. The internal memory stands at 32 GB to which you can add another 128 GB via a microSD card. 
The primary camera is a 13 megapixel camera with an Aperture of f/2.2, autofocus, flash, video recording, HDR, smile detection, and video recording at 1080p at 30 fps. The front of the phone has a 5 megapixel selfie shooter. The dual-SIM Lenovo Vibe P1 is a 4G phone with GPS (A-GPS), WiFi, NFC, and Bluetooth for connectivity. The huge 5000 mAh battery can provide up to 44 hours of Talk time or 600 hours of standby.
The OnePlus X is one of the nicest looking phones around, with very good hardware to back up the looks. The OnePlus X is armed with a 5 inch full HD AMOLED Display with Corning Gorilla Glass 3. It runs on Oxygen OS which is based on Android Lollipop, and has last season’s flagship processor, the Snapdragon 801; a quad-core processor clocked at 2.3 GHz, which runs with 3 GB of RAM. The internal memory of the OnePlus X stands at 16 GB, to which you can add another 128 GB via a microSD card. 
The primary camera is a 13 megapixel shooter with an aperture of f/2.2, phase detection autofocus, LED flash, 1.14 µm pixel size, geo-tagging, touch focus, face detection, panorama, HDR, and video recording at 1080p at 30fps. The front has an 8 megapixel selfie shooter with an aperture of f/2.4. The OnePlus X is a hybrid dual-SIM phone (meaning the second slot is either a microSD card slot or a SIM slot) with 4G, GPS (A-GPS, GLONASS, Beidou), Bluetooth, and WiFi. The power is provided by a 2525 mAh battery.
Moto X Play (16 GB)- Rs 18,499
The Moto X Play is here because of the wide range of features that it offers; including an IP52 rated water repellent nano-coating. The Moto X Play is armed with a 5.5 inch HD IPS display with Corning Gorilla Glass 3. It runs on Android Lollipop, and has the Snapdragon 615 chipset; an octa-core processor clocked at 1.7 GHz, which runs with 2 GB of RAM. The internal memory of the Moto X Play stands at 16 GB, to which you can add another 128 GB via a microSD card. 
The primary camera is a 21 megapixel shooter with an aperture of f/2.0, phase detection autofocus, dual-tone flash, 1.1 µm pixel size, geo-tagging, touch focus, face detection, panorama, auto-HDR, and video recording at 1080p at 30fps. The front has a 5 megapixel selfie shooter with an aperture of f/2.2. The Moto X Play is a dual-SIM phone with 4G, GPS (A-GPS), Bluetooth, NFC, and WiFi. The power is provided by a 3630 mAh battery.
Asus Zenfone 2 (4GB RAM) – Rs 19,999
There is no beating around the bush with this phone; the Asus Zenfone 2 finds itself in this list thanks to the massive 4 GB of RAM, and great processing ability. The phone is a wonderful all-rounder that misses next to nothing (except for a fingerprint sensor). It is equipped with a 5.5 inch full HD IPS display with a Resolution of 1920 x 1080 pixels with Corning Gorilla Glass 3. Running on Android Lollipop, the Asus Zenfone 2 has a 2.3 GHz quad-core Intel Atom Z3580 processor with 4 GB of RAM. The internal storage stands at 64 GB, to which you can add another 64 GB via a microSD card. 
The primary camera of the Asus Zenfone 2 is a 13 megapixel unit with autofocus, real tone flash, HD recording, and a host of other features, while the front has a 5 megapixel selfie taker. The Asus Zenfone 2 is a 4G phone with GPS, Bluetooth, NFC, and WiFi for connectivity choices. The Asus Zenfone 2 is powered by a 3000 mAh battery.
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After “killing†off the Motorola brand, Lenovo has come out with a great phone to ensure that people are not reluctant to stay on. The Lenovo Vibe X3 takes the winner formula of the Moto X Play and takes it a few steps ahead with a better processor, camera, and a fingerprint sensor among other things. The Lenovo Vibe X3 is armed with a 5.5 inch full HD IPS display with Corning Gorilla Glass 3. It runs on Android Lollipop, and has the hexa-core Snapdragon 808 processor clocked at 1.8 GHz, which runs with 3 GB of RAM. The internal memory of the Lenovo Vibe X3 stands at 32 GB, to which you can add another 128 GB via a microSD card. 
The primary camera is a 21 megapixel shooter, with a Sony IMX230 sensor, f/2.0, 27mm lens, phase detection autofocus, geo-tagging, touch focus, face detection, panorama, HDR, dual-tone flash, and 4K video recording. The front of the phone has an 8 megapixel selfie taker. The Lenovo Vibe X3 is a dual-SIM phone with 4G, GPS, Bluetooth, WiFi, NFC, and an IR blaster. The power is provided by a 3500 mAh battery which can provide up to 31 hours of talk time or 618 hours of standby.
Listed below are some notable phones with great features that just missed out on making it to this list –
Sony Xperia M4 Aqua – Rs 17,990
The Sony Xperia M4 Aqua is a waterproof phone with a 5 inch HD IPS display. Running on Android Lollipop, it has a 1.5 GHz octa-core processing unit, with 2 GB of RAM. The internal memory stands at 8 GB, with 32 GB expandable. The primary camera is a 13 megapixel unit and the front has a 5 megapixel selfie taker. The dual-SIM Sony Xperia M4 Aqua is a 4G phone with GPS, Bluetooth, WiFi, NFC, and DLNA. The battery is of 2400 mAh.
The Samsung Galaxy S4 is a flagship of a couple of seasons ago, but it is still a phone that deserves a look. It has a 5 inch full HD IPS display. Running on Android Lollipop, it has a 1.6 GHz octa-core processing unit, with 2 GB of RAM. The internal memory stands at 16 GB, with 64 GB expandable. The primary camera is a 13 megapixel unit and the front has a 2 megapixel selfie taker. The Samsung Galaxy S4 is a 4G phone with GPS, Bluetooth, WiFi, NFC, and DLNA. The power is provided by a 2600 mAh battery.
We didn’t want this listicle to be dominated by Lenovo phones, but the fact is that this too is another great phone from the Lenovo family. This, like the OnePlus X has an all glass body and has specs to match. The Lenovo Vibe S1 has a 5 inch full HD IPS display. Running on Android Lollipop, it has a 1.7 GHz octa-core processing unit, with 3 GB of RAM. The internal memory stands at 32 GB, with 128 GB expandable. The primary camera of the Lenovo Vibe S1 is a 13 megapixel unit and the front has a dual camera set up with 8+2 megapixel combo. The dual-SIM Lenovo Vibe S1 is a 4G phone with GPS, Bluetooth, and WiFi. The battery is of 2420 mAh.