ASUS ZenFone max ( zc550kl) is best phone under 10000rs because mainly this phone have 5000mAh lithium polymer battery it gives 30 hours backup in 3G and about 15-20 hours on 4G it runs on 1.2GHz quad-core Qualcomm snapdragon 410 and adreno GPU 306 and 2gb DDR3 ram and Android 6.0.1 and rear 13MP super clear camera with dualtone led and laser focus and front 5MP camera and also have low light sensor which gives best picture in night and low light conditions and it is best phone for playing games and it also has blue light filter for eyes protection and both SIMs are 4G and micro and last it protected under gorilla glass4 so it is a best phone under 10k