RAINBOW DIET CHART December 3, 2017 1593 0 0 Indian cooking is normally perceived to be difficult to cook. In reality its actually extremely simple, as long as one follows some basic rules. A simple funda that works for me & my family is to follow the RAINBOW DIET CHART. Its been hyped in circles for several reasons, but its intrinsic benefit is far beyond what one may think of as a fad.