Post Office schemes: Check interest rates and tax benefits on saving schemes All the post office investment schemes are tax-exempt under Section 80C, i.e. tax exemption up to Rs. 1,50,000 is allowed. (Image Source: File Photo) Updated: Apr 27, 2021, 12:42 PM IST If you are thinking of investing in risk-free saving schemes then here's your chance to do some investments. Post Office Investments include a number of saving schemes that provide a high rate of interest as well as tax benefits and most importantly, carry the sovereign guarantee of the Indian Government. Among the Post Office schemes, National Small Savings Schemes are very popular. In these small savings schemes, people make moderate investment and get assured returns. The interest rates on small savings schemes are decided by the Union Ministry of Finance.