Investment in government securities, such as Treasury bills and bonds, is the least risky investment option in fixed income instruments, or fixed income instruments. Investments in government securities like this are paid by the government in installment interest till maturity.
In fact, there is no risk in government securities, because the government can print enough currency notes to pay investors interest at any time. However, some investments, including securities offered in foreign currencies, can make a country default on bankruptcy. This situation is called sovereign debt, or sovereign default.