Many of my friends are using this mobile of micromax and I would say that its a great phone in mid range.
Best thing is that it comes with inbuilt android market which means that you can free download many applications and games.
If we talk about it size then is 5 inches phone which easily get in your pocket and also its screen resolution is 720* 1280 it means hd video will be supported on this phone.
The thing I loved lot is camera of this phone it has 12 megapixel primary camera and 2 megapixel secondary camera.
Also you can shoot hd video from this phone.also u can expand you external memory near by 32gd.
It has multi-touch screen with great senser power.its a great phone