I bought this phone in August 2014.
This phone is working great still after 22 months.This phone has 512MB ram and this is enough for Windows phone.One thing is that this phone is not upgradable to windows 10 os.camera of this phone is average.Normal camera but you can use it.it is not too bad.
This phone costs me rs 7200 on snapdeal.I thik everything is fine . battery is working till now. " one important thing, the phone is so good because I dropped it many times but there no effect on display or other parts." This is dual sim phone .Memory can be expnded to 128gb.Internal memeory is 4gb but don’t worry you can install apps to memory card. I think in this budget this phone great.