Rice ,Wheat and Dal  – Is this enough for food security?

Background:-The PDS system only gives rice, wheat and dal – this may fill ones belly but is it the right way to approach food security .What about nutritional security then ?In this context analyse  food security measures in India on one hand and probe the causes of malnutrition on the other and then suggest a way forward so that we can have both food security and nutritional security.

Provide your answer/perspective in the comments section.