India has experienced persistent and high food inflation in the recent past. What could be the reasons?

1. Due to a gradual switch over to the cultivation of commercial crops, the area under the cultivation of food grains has steadily decreased in the last five years by about 30%.

2. As a consequence of increasing incomes, the consumption patterns of the people have undergone a significant change.

3. The food supply chain has structural constraints.

Which of the statements given above are correct ?

I.A.S. (Pre) 2011