S1:          What are the causes of our chronic food shortage ? P :           To find for these growing new millions is desperate task. Q :          every year, we add more than a crore of persons to our population. R :          Despite stupendous efforts by our government, the population is growing unabated. S :           The chief cause is the population explosion. S6:          This unprecedented growth can drag us to the doors of starvation very soon. The Proper sequence should be: