camera not like 5mp in cellphone canvas doodle 3

I have purchased a micromax canvas doodle 3 (A 102) cellphone. in this device camera will provided 5MP but the camecamera is very worst and low category it doesn’t looking like 5mp . it will less than 5 mp so I want to complained against the micromax company for not provided the given features which will appeared in the cellphone boxbox.