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Furthermore, I would add that upon reaching a certain stage of development, the birth rates in such countries will lower on their own accord due to much higher costs of raising children. This trend is evident in developed societies all over the world.
There have been cases where population growth has been far too high and had to be managed centrally; one such example was when China implemented its one child policy. However China being the most populous nation on Earth was and still is the exception not the rule (I doubt India will be forced to such measures).
Economic Development of societies will ensure a fair living standard for all, and remove the need for any centrally planned imperative to stop overpopulation.