This document discusses the relationship between infrastructure development and economic growth in India. It defines infrastructure and identifies its two main types: economic infrastructure like transportation and energy, and social infrastructure such as education and healthcare. The document explains that infrastructure investment contributes directly to GDP growth and improves productivity. It outlines India's increasing infrastructure investment over decades through five-year plans. Current government plans aim to further boost investment in urban development, transportation, and manufacturing through initiatives like Smart Cities and Make in India.