Indian workforce is young , and that's good for growth.
A society stays poor, sadly, when infant mortality rates fall, as that would mean more non-productive dependents. Coinciding with this, is a growing work-force of young that diminishes dependants and puts extra money in people's pockets. This is the stage when, spurred by a large work-force, disposable incomes and rising productivity, the economy enters boom times. In the third stage, decline begins as the work-force grows old. India's position now.