This is probably the easiest way to save tax if you have a Netbanking account . After the demonetisation and the digital push, almost everyone has one. A few clicks of the mouse and your tax planning is done. However, as mentioned earlier, this convenience comes at a very high cost. Interest rates have come down significantly and are close to 7-7.5% right now. The bigger problem is that the interest is fully taxable. It is added to the income of the investor and taxed at the marginal rate applicable to him. In the highest 30% tax bracket , the post-tax yield is close to 5%. Even so, tax-saving fixed deposits are suitable for risk averse investors, especially senior citizens who might already have hit the ` 15 lakh ceiling in the Senior Citizens' Saving Scheme and don't want to lock in money for the long term in a PPF account . Though NSCs offer higher rates than most banks, many senior citizens prefer to invest in deposits of their own banks, because they get better service ...