The 100 Smart Cities Initiative represents an opportunity to experiment with organisational and governance structures to improve revenue generation for future cities by adopting existing financing models from across the world, writes O P Agarwal, Executive Director, Punj Lloyd Institute of Infrastructure Management at ISB. India’s urban population is currently around 377 million and is projected to reach about 820 million by 2050. Though urban India constitutes only about 31% of the country’s total population, it contributes over 60% of its GDP and is projected to account for nearly 75% of the GDP in the next 15 years. . This is in line with the experience in most parts of the World, where urbanisation has accompanied economic development. It is for this reason that cities are referred to as the “engines of economic growth”. And ensuring that they function as efficient engines will becritical for our national development.