If you want to buy budget phone then you have to take a look at the Lenovo A600 in the market. This one is launched in the month of April, 2015 and it hasIPS capacitive touchscreen, Size 5.0 inches(~69.8% screen-to-body ratio), Resolution 720 x 1280 pixels(~294 ppi pixel density) with dual SIM.
The operating system that it comes with is Android OS, v4.4.4(KitKat). The performance for this phone is good as it is provided with a whooping Quad-core 1.2 GHz Cortex-A53 and powerfull Qualcomm MSM8916 Snapdragon 410. There is an external card slot which supports Card slot microSD, 32GB and internal comes with 16 GB, 2 GB RAM.
The primary camera comes with good 8 MP, 3264 x 2448 pixels, autofocus, LED flash
Features Geo-tagging, touch focus, face detection. The secondary camera comes with 2 MP camera which is also very good and excellent for selfi. Battery is Non-removable Li-Po 2300 mAh battery and best part its a dual sim and it has Black, White, Yellow, Red