There are always two way to solve the problem. In this case politician can solve this problem by implementation and execution of plan for increasing the productivity and increasing the jobs. Second plan is to feed them with free food. Second one is easy and give them quick votes, though its dangerous for poor people as well as country.
Again, the food isn't free. It's drastically subsidized.
The PDS system creates a floor price for agricultural produce, ensuring against the vagaries of the market. At th same time it distorts market prices.
Given the inefficiency in the system, and it's lack of gearage which can transmit efficiency benefits to the bottom of the pyramid, the PDS system is an interim measure to help pull the bottom out of poverty.
