Default Original Camera App for Spice Mi Coolpad 515

Please somebody help me! I have deleted my default camera and gallery app and now no other camera app is working. They all showing me black screen only.

I have Spice Coolpad Mi 515 India. Please somebody give me the original camera gallery app and also official stock rom of My phone. Current version of my phone is Spice_Mi-515_IND_VER10.0_130605_1837.

Please help me guys and thanks in advance.