Gead the following paragraph and interpre: Istion. How do we measure whether there is enough foud for all or not? whether this food reach es fomlles or not would be examined later. We are at first estimating what is ark lable. This mears that per person (or per copita) avallability of foodgrains in the country should be sufficient and also increasing over the years. Is the increase in foodgrain aval ab iny reat y happening?