Best Smartphone under 20K with Powerfull Specifications and Hardware.According to Comparision of specifications of Smartphones.
1) Lenovo Vibe 3
– Lenovo latest Vibe X3 is latest smartphone of 2016 under 20K.Its hardware and specifications is too better than other company smartphones.Its offer you the best cameras 21-megapixels and front cameras 8 megapixels with 3GB of RAM + 1.8GHZ Hexa-core processor.Best thing is that Lenovo Vibe X3 battery is too bigger than other devices 3500mAH.
2) Moto X Play
Second Best option for you is MOTO X Play.Moto X Play is latest smartphone of 2016 under 20K.Moto X Play is specifications is also very powerfull.Its Offer you the best Snapdragon 615 Octa-core processors with 405 GPU.Moto X Play is best 21-megapixels rear camera + 5Mp front camera with 2GB of RAM.Its better quality is that too heavy 3630 mAh battery than other devices.
Third Best Option for you Xiaomi Redmi 3.Xiaomi Redmi 3 is smartphone of 2016 and it is one of best looking smartphone under 20K and Qualcomm snapdragon Octa core processor + 3GB of RAM.13-megapixels rear camera + 5mp front camera and best for 4100 mAh battery backup.