Oppo f1s is the best phone under 20k
In india, camera is very important people love to take pictures here.
Oppo has 16mp front camera for selfie which is like OMG!
Specifications are
1.5 GHz MT6750 Octa Core Processor
3GB RAM With 32GB ROM
5.5 Inch HD IPS Touch Screen Display
Hybrid Dual ( Micro+ Nano) SIM
13MP Camera With LED Flash
16MP Front Camera
Fingerprint
4G/WiFi
Bluetooth
3075 MAh Battery
Must buy
Go for it !
Thankyou