Any portfolio should have a balanced mix of asset classes. Diversification helps reduce the overall risk. For instance, equity investments tend to give higher returns than all other asset classes over the long run, but they are also riskier.
To balance that, one must invest in debt-related products. While these too carry some risk, they are considered safer. Also pay heed to the taxation rules to know what the net returns would be. Any change in rules can affect the reason why you had invested in the product.
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