The question asks which of the given options is the best means of investment. To determine the correct answer, we need to evaluate the potential for appreciation and security of each option. Let's analyze each option:
NSCs are fixed income investment products offered by the Government of India. They provide a fixed interest rate and are considered safe investments. However, the returns are generally modest and subject to taxation. They are more suitable for risk-averse investors looking for security rather than high returns.
Gold is traditionally considered a safe haven and a hedge against inflation. Its value typically remains constant or appreciates over time. However, market fluctuations can affect its price significantly, making it a less predictable investment compared to others.
Land is often seen as a high-return investment due to limited supply and increasing demand, especially in urban and semi-urban areas. Land values generally appreciate over time. As a tangible asset, it is considered relatively stable and can provide significant returns upon sale.
Investing in a house can also be a good option, as it provides rental income and potential appreciation in value. However, the initial cost, maintenance expenses, and market fluctuations can impact the returns.
Considering the above points, Land is generally the best means of investment among the given options due to its potential for higher appreciation and as a tangible, finite asset that tends to gain value over time.
Hence, the correct answer is: Land.