Government securities are tradable debt instruments issued by the Central Government and State Governments to finance fiscal deficits and public development programs. They are issued by the Reserve Bank of India on behalf of the government. Government securities include Treasury bills and State Development Loans. They are needed to finance government functions like infrastructure creation and maintenance. Government securities are issued at face value, carry no default risk due to sovereign guarantee, offer high liquidity, and provide interest payments semi-annually. Major participants in the government securities market include banks, financial institutions, companies, mutual funds, and individuals.