A yearly investment of ₹50,000 in equities for 10 years, assuming a 12% annual rate of return, can turn into ₹9.8 lakh, according to NDTV Profit calculations. A similar investment in gold can grow into a corpus of nearly ₹9 lakh at an assumed annual interest rate of 10%. The corpus could reach around ₹8.7 lakh in mutual funds.