Micromax Unite 2 comes with 5 MP auto-focus rear camera with single LED flash and can record video of 720p. It has a secondary camera of 2 MP which is front facing camera that has face detection function.
How to enable face detection in Micromax Unite 2 :
1. Open stock camera app.
2. Click to settings button (at interface of camera).
3. You will see three tabs common settings, camera settings and video settings.
4. Click on camera settings tab button and you will see available options like
Zero shutter delay, Face detection, Smile shot, HDR, Self timer, Continuous shot, Picture size, Preview size etc.
5. At the right side of face detection option there will be ON(1) and OFF(0) slide button. Slide the button to turn ON and OFF the face detection.