Small Industries Development Bank of India is a type of an independent financial institution.
The Small Industries Development Bank of India Act, 1989 envisioned SIDBI to be "the principal financial institution for the promotion, financing and development of industry in the small scale sector and to co-ordinate the functions of the institutions engaged in the promotion and financing or developing industry in the small scale sector and for matters connected therewith or incidental thereto.
It was established in the year 1990.
It is among the top 30 development banks of India.

The business domain of SIDBI consists of Micro, Small and Medium Enterprises (MSMEs), which contribute significantly to the national economy in terms of production, employment and exports

It provides following products and services

Service Sector Assistance
Loan Facilitation & Syndication Service
Financing Schemes for Sustainable Development - Energy Efficiency and Cleaner Production
World Bank – GEF Project - Financing Energy Efficiency at MSMEs
Growth Capital & Equity Assistance
Receivable Finance Scheme
Flexible Assistance For Capital Expenditure
Finance for Upgradation / Modernisation
Government Subsidy Schemes
TIFAC- SIDBI Revolving Fund for Technology Innovation
Poorest States Inclusive Growth Programme (PSIG)