The post office offers multiple schemes with varying lock-in periods and interest rates. Therefore, the returns vary based on the scheme. INR 1,00,000 investment in NSC earns INR 38,949 as interest for 5 years. The maturity value will be INR 1,38,949 at 6.8% interest. Similarly, if invested in an SCSS scheme, the quarterly interest would be INR 1,850. A Post Office TD scheme would earn an interest up to INR 5,614.45 per annum for a 1 year, 2 years, and 3 years TD at 5.5.% p.a. For five years TD, the annual interest would be 6,870 at 6.7% p.a.