"India's 3-year national debt is a bond issued by the Indian government for a period of 3 years and can be redeemed at face value after maturity. The bond is a way of financing for the Indian government, mainly used to meet the government's capital needs and promote national economic development .

The interest rate on Indian 3-year government bonds is set by the Reserve Bank of India and usually reflects the current monetary policy. The central bank affects the lending behavior and money supply in the market by adjusting interest rates, thereby affecting the development of economic activities. The Indian government issues treasury bonds to raise funds to support various government expenditures and projects, such as infrastructure construction, education and health care.

Investors who buy Indian 3-year government bonds can buy them through the Indian government bond market or through the open market. The bond is heavily traded in the Indian bond market as it is widely considered a safer investment and offers some yield, usually at relatively high interest rates. However, investors should be aware that investing in any bond involves certain risks, including interest rate risk, credit risk, etc.

Overall, the Indian 3-year government bond is a fixed income vehicle that investors can consider, especially those who want to achieve stable returns over a certain period of time. However, investors should understand their interest rates, risks, and market conditions before investing in order to make informed investment decisions. "