Development financial institutions provide medium and long-term financial assistance to promote key sectors like industry, agriculture, and more. They include institutions like the World Bank and IMF. This document discusses various types of financial institutions in India that provide funding support at different levels. It covers term lending institutions like IFCI, IDBI, ICICI, and EXIM Bank. It also discusses refinancing institutions like NABARD, SIDBI, and NHB, as well as investment institutions like LIC and GIC. The roles and functions of these various institutions in promoting industries are described.