It is default risk-free investment since it is issued by the sovereign government. Hence, they are called gilt-edged securities meaning that they are covered by gold.
You can get a reasonable rate of interest since the yield rates are determined in the market.
Since Treasury bills and Treasury bonds are tradable in the secondary market, you can obtain instant liquidity by selling them in the secondary market at any time.
All receipts of maturity proceeds, coupons and capital gains are fully repatriable.
You could also have a joint investment with some other person or persons which maximizes the investment options for you.
Your investments are held at the securities registry maintained by the CBSL on behalf of GOSL, which is a state-of-the-art electronic database, the Central Depository System (CDS) and facilitated with a fully automated Scripless Security Settlement System for settlement of securities. The investors are provided with maximum possible protection for their investments.