There are several bonds and what are called debt mutual funds in the market. They often earn as much as, or higher than fixed deposits, at a very low level of risk. Additionally, the tax rates on these are often lower than that on fixed deposits. So your money works for you that much better.
Once you are comfortable investing, and if you don’t need money soon, you can earn much better returns in stocks and related products. However, we will introduce them to you only once you are comfortable. At all points, you can override our recommendation and stick to bonds / debt, if you are not comfortable with the stock market.