The document discusses various sources of funds for businesses, including internal and external sources. Internal sources include retained earnings, depreciation, and sale of assets. External long-term sources include share capital and loan capital (such as debentures, mortgage loans, and government assistance). External short-term sources include bank overdrafts, loans, leasing, credit cards, and trade credit. Specialized financial institutions that provide funding to businesses in India are also outlined, such as IFCI, SFCs, ICICI, IDBI, and SIDCs.