Why there is need to control Population in India?

Have you ever noticed why during the time of festivals, why tickets for trains and buses are not available, and also the flight tickets prices are also hiked? Why there is a need for more beds in hospitals, and why resources present in present are not much enough to fulfill the needs. And the answer to all these questions is the increasing population. Today is world population day and all Nations are again planning to control the increasing population. Watch data on the increasing population.